253725237 has 16 divisors (see below), whose sum is σ = 376200000. Its totient is φ = 169010352.

The previous prime is 253725229. The next prime is 253725239. The reversal of 253725237 is 732527352.

It is not a de Polignac number, because 253725237 - 2³ = 253725229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253725239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37339 + ... + 43607.

It is an arithmetic number, because the mean of its divisors is an integer number (23512500).

Almost surely, 2^253725237 is an apocalyptic number.

253725237 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

253725237 is a deficient number, since it is larger than the sum of its proper divisors (122474763).

253725237 is a wasteful number, since it uses less digits than its factorization.

253725237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7777 (or 7771 counting only the distinct ones).

The product of its digits is 88200, while the sum is 36.

The square root of 253725237 is about 15928.7550360975. The cubic root of 253725237 is about 633.0741136465.

The spelling of 253725237 in words is "two hundred fifty-three million, seven hundred twenty-five thousand, two hundred thirty-seven".