253945825 has 12 divisors (see below), whose sum is σ = 359877760. Its totient is φ = 174134160.

The previous prime is 253945819. The next prime is 253945859. The reversal of 253945825 is 528549352.

It is not a de Polignac number, because 253945825 - 2¹⁵ = 253913057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 725385 + ... + 725734.

Almost surely, 2^253945825 is an apocalyptic number.

253945825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253945825 is a deficient number, since it is larger than the sum of its proper divisors (105931935).

253945825 is a wasteful number, since it uses less digits than its factorization.

253945825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451136 (or 1451131 counting only the distinct ones).

The product of its digits is 432000, while the sum is 43.

The square root of 253945825 is about 15935.6777389605. The cubic root of 253945825 is about 633.2575247828.

The spelling of 253945825 in words is "two hundred fifty-three million, nine hundred forty-five thousand, eight hundred twenty-five".