253025690 has 16 divisors (see below), whose sum is σ = 455669280. Its totient is φ = 101160720.

The previous prime is 253025677. The next prime is 253025693. The reversal of 253025690 is 96520352.

It is a super-2 number, since 2×253025690² = 128043999599952200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253025693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20885 + ... + 30695.

It is an arithmetic number, because the mean of its divisors is an integer number (28479330).

Almost surely, 2^253025690 is an apocalyptic number.

253025690 is a deficient number, since it is larger than the sum of its proper divisors (202643590).

253025690 is a wasteful number, since it uses less digits than its factorization.

253025690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12397.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 253025690 is about 15906.7812583187. The cubic root of 253025690 is about 632.4917609471.

The spelling of 253025690 in words is "two hundred fifty-three million, twenty-five thousand, six hundred ninety".