253450025 has 24 divisors (see below), whose sum is σ = 350290080. Its totient is φ = 180783360.

The previous prime is 253450009. The next prime is 253450031. The reversal of 253450025 is 520054352.

It is not a de Polignac number, because 253450025 - 2⁴ = 253450009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253449976 and 253450003.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7619 + ... + 23768.

It is an arithmetic number, because the mean of its divisors is an integer number (14595420).

Almost surely, 2^253450025 is an apocalyptic number.

253450025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253450025 is a deficient number, since it is larger than the sum of its proper divisors (96840055).

253450025 is a wasteful number, since it uses less digits than its factorization.

253450025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31433 (or 31428 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 253450025 is about 15920.1138500954. The cubic root of 253450025 is about 632.8451354708.

The spelling of 253450025 in words is "two hundred fifty-three million, four hundred fifty thousand, twenty-five".