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4257325 = 52170293
BaseRepresentation
bin10000001111011000101101
322000021221201
4100033120231
52042213300
6231125501
751121012
oct20173055
98007851
104257325
112448656
121513891
13b60a37
147cb709
1559166a
hex40f62d

4257325 has 6 divisors (see below), whose sum is σ = 5279114. Its totient is φ = 3405840.

The previous prime is 4257313. The next prime is 4257353. The reversal of 4257325 is 5237524.

It can be written as a sum of positive squares in 3 ways, for example, as 9604 + 4247721 = 98^2 + 2061^2 .

It is not a de Polignac number, because 4257325 - 215 = 4224557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4257293 and 4257302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85122 + ... + 85171.

Almost surely, 24257325 is an apocalyptic number.

It is an amenable number.

4257325 is a deficient number, since it is larger than the sum of its proper divisors (1021789).

4257325 is a wasteful number, since it uses less digits than its factorization.

4257325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170303 (or 170298 counting only the distinct ones).

The product of its digits is 8400, while the sum is 28.

The square root of 4257325 is about 2063.3286214270. The cubic root of 4257325 is about 162.0735960885.

It can be divided in two parts, 425 and 7325, that added together give a triangular number (7750 = T124).

The spelling of 4257325 in words is "four million, two hundred fifty-seven thousand, three hundred twenty-five".

Divisors: 1 5 25 170293 851465 4257325