625320065 has 16 divisors (see below), whose sum is σ = 777724416. Its totient is φ = 482160000.

The previous prime is 625320053. The next prime is 625320079. The reversal of 625320065 is 560023526.

It is a happy number.

It is not a de Polignac number, because 625320065 - 2²² = 621125761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30869 + ... + 46941.

It is an arithmetic number, because the mean of its divisors is an integer number (48607776).

Almost surely, 2^625320065 is an apocalyptic number.

It is an amenable number.

625320065 is a deficient number, since it is larger than the sum of its proper divisors (152404351).

625320065 is a wasteful number, since it uses less digits than its factorization.

625320065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16360.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 625320065 is about 25006.4004806769. The cubic root of 625320065 is about 855.1338960190.

The spelling of 625320065 in words is "six hundred twenty-five million, three hundred twenty thousand, sixty-five".