425252565 has 32 divisors (see below), whose sum is σ = 759638400. Its totient is φ = 225711360.

The previous prime is 425252557. The next prime is 425252567. The reversal of 425252565 is 565252524.

425252565 is a `hidden beast` number, since 42 + 5 + 2 + 52 + 565 = 666.

It is not a de Polignac number, because 425252565 - 2³ = 425252557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425252567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21021 + ... + 35949.

It is an arithmetic number, because the mean of its divisors is an integer number (23738700).

Almost surely, 2^425252565 is an apocalyptic number.

425252565 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

425252565 is a deficient number, since it is larger than the sum of its proper divisors (334385835).

425252565 is a wasteful number, since it uses less digits than its factorization.

425252565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15154 (or 15148 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 425252565 is about 20621.6528193062. The cubic root of 425252565 is about 751.9962021886.

The spelling of 425252565 in words is "four hundred twenty-five million, two hundred fifty-two thousand, five hundred sixty-five".