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253225 = 5271447
BaseRepresentation
bin111101110100101001
3110212100201
4331310221
531100400
65232201
72103160
oct756451
9425321
10253225
11163285
12102661
138b34b
14683d7
155006a
hex3dd29

253225 has 12 divisors (see below), whose sum is σ = 359104. Its totient is φ = 173520.

The previous prime is 253159. The next prime is 253229. The reversal of 253225 is 522352.

It is not a de Polignac number, because 253225 - 29 = 252713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253229) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 549 + ... + 898.

2253225 is an apocalyptic number.

253225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253225 is a deficient number, since it is larger than the sum of its proper divisors (105879).

253225 is a wasteful number, since it uses less digits than its factorization.

253225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464 (or 1459 counting only the distinct ones).

The product of its digits is 600, while the sum is 19.

The square root of 253225 is about 503.2146659230. The cubic root of 253225 is about 63.2657790001.

Adding to 253225 its reverse (522352), we get a palindrome (775577).

The spelling of 253225 in words is "two hundred fifty-three thousand, two hundred twenty-five".