625546065 has 16 divisors (see below), whose sum is σ = 1044390528. Its totient is φ = 319118976.

The previous prime is 625546049. The next prime is 625546099. The reversal of 625546065 is 560645526.

It is a happy number.

It is not a de Polignac number, because 625546065 - 2⁴ = 625546049 is a prime.

It is a Curzon 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, 906244 + ... + 906933.

It is an arithmetic number, because the mean of its divisors is an integer number (65274408).

Almost surely, 2^625546065 is an apocalyptic number.

It is an amenable number.

625546065 is a deficient number, since it is larger than the sum of its proper divisors (418844463).

625546065 is a wasteful number, since it uses less digits than its factorization.

625546065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813208.

The product of its (nonzero) digits is 216000, while the sum is 39.

The square root of 625546065 is about 25010.9189155457. The cubic root of 625546065 is about 855.2369029929.

The spelling of 625546065 in words is "six hundred twenty-five million, five hundred forty-six thousand, sixty-five".