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5243225 = 521321773
BaseRepresentation
bin10100000000000101011001
3100212101100112
4110000011121
52320240400
6304214105
762365241
oct24000531
910771315
105243225
112a61349
12190a335
131117700
149a6b21
156d8835
hex500159

5243225 has 36 divisors (see below), whose sum is σ = 7556436. Its totient is φ = 3594240.

The previous prime is 5243207. The next prime is 5243239. The reversal of 5243225 is 5223425.

It can be written as a sum of positive squares in 18 ways, for example, as 4313929 + 929296 = 2077^2 + 964^2 .

It is not a de Polignac number, because 5243225 - 28 = 5242969 is a prime.

It is a d-powerful number, because it can be written as 5 + 23 + 43 + 35 + 220 + 222 + 52 .

It is a Duffinian number.

It is a Curzon number.

It is a zygodrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 5243225.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 71789 + ... + 71861.

It is an arithmetic number, because the mean of its divisors is an integer number (209901).

Almost surely, 25243225 is an apocalyptic number.

It is an amenable number.

5243225 is a deficient number, since it is larger than the sum of its proper divisors (2313211).

5243225 is a wasteful number, since it uses less digits than its factorization.

5243225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 108 counting only the distinct ones).

The product of its digits is 2400, while the sum is 23.

The square root of 5243225 is about 2289.8089439951. The cubic root of 5243225 is about 173.7265379013.

The spelling of 5243225 in words is "five million, two hundred forty-three thousand, two hundred twenty-five".

Divisors: 1 5 13 17 25 65 73 85 169 221 325 365 425 845 949 1105 1241 1825 2873 4225 4745 5525 6205 12337 14365 16133 23725 31025 61685 71825 80665 209729 308425 403325 1048645 5243225