250505025 has 48 divisors (see below), whose sum is σ = 438067200. Its totient is φ = 125962560.

The previous prime is 250504997. The next prime is 250505041. The reversal of 250505025 is 520505052.

It is not a de Polignac number, because 250505025 - 2²² = 246310721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 250504986 and 250505004.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 522736 + ... + 523214.

It is an arithmetic number, because the mean of its divisors is an integer number (9126400).

Almost surely, 2^250505025 is an apocalyptic number.

250505025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250505025 is a deficient number, since it is larger than the sum of its proper divisors (187562175).

250505025 is a wasteful number, since it uses less digits than its factorization.

250505025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 250505025 is about 15827.3505363342. The cubic root of 250505025 is about 630.3844340480.

The spelling of 250505025 in words is "two hundred fifty million, five hundred five thousand, twenty-five".