253361025 has 36 divisors (see below), whose sum is σ = 458331900. Its totient is φ = 133776000.

The previous prime is 253360967. The next prime is 253361039. The reversal of 253361025 is 520163352.

253361025 is a `hidden beast` number, since 25 + 3 + 3 + 610 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 646416 + 252714609 = 804^2 + 15897^2 .

It is not a de Polignac number, because 253361025 - 2⁷ = 253360897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253361025.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17151 + ... + 28299.

Almost surely, 2^253361025 is an apocalyptic number.

253361025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253361025 is a deficient number, since it is larger than the sum of its proper divisors (204970875).

253361025 is a wasteful number, since it uses less digits than its factorization.

253361025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11266 (or 11258 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 253361025 is about 15917.3183985243. The cubic root of 253361025 is about 632.7710514233.

The spelling of 253361025 in words is "two hundred fifty-three million, three hundred sixty-one thousand, twenty-five".