265505425 has 12 divisors (see below), whose sum is σ = 329902000. Its totient is φ = 211968720.

The previous prime is 265505419. The next prime is 265505441. The reversal of 265505425 is 524505562.

It is not a de Polignac number, because 265505425 - 2³ = 265505417 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, 1834 + ... + 23116.

Almost surely, 2^265505425 is an apocalyptic number.

265505425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

265505425 is a deficient number, since it is larger than the sum of its proper divisors (64396575).

265505425 is a wasteful number, since it uses less digits than its factorization.

265505425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21792 (or 21787 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 265505425 is about 16294.3372065267. The cubic root of 265505425 is about 642.7239248351.

The spelling of 265505425 in words is "two hundred sixty-five million, five hundred five thousand, four hundred twenty-five".