625782465 has 96 divisors (see below), whose sum is σ = 1359012096. Its totient is φ = 258785280.

The previous prime is 625782449. The next prime is 625782481. The reversal of 625782465 is 564287526.

625782465 is a `hidden beast` number, since 62 + 57 + 82 + 465 = 666.

It is an interprime number because it is at equal distance from previous prime (625782449) and next prime (625782481).

It is not a de Polignac number, because 625782465 - 2⁴ = 625782449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 625782465.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1084257 + ... + 1084833.

It is an arithmetic number, because the mean of its divisors is an integer number (14156376).

Almost surely, 2^625782465 is an apocalyptic number.

It is an amenable number.

625782465 is an abundant number, since it is smaller than the sum of its proper divisors (733229631).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625782465 is a wasteful number, since it uses less digits than its factorization.

625782465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919 (or 916 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 625782465 is about 25015.6444050518. The cubic root of 625782465 is about 855.3446235655.

The spelling of 625782465 in words is "six hundred twenty-five million, seven hundred eighty-two thousand, four hundred sixty-five".