65774625 has 32 divisors (see below), whose sum is σ = 125089536. Its totient is φ = 30067200.

The previous prime is 65774623. The next prime is 65774627. The reversal of 65774625 is 52647756.

65774625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65774623) and next prime (65774627).

It is not a de Polignac number, because 65774625 - 2¹ = 65774623 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65774623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9904 + ... + 15153.

It is an arithmetic number, because the mean of its divisors is an integer number (3909048).

Almost surely, 2^65774625 is an apocalyptic number.

It is an amenable number.

65774625 is a deficient number, since it is larger than the sum of its proper divisors (59314911).

65774625 is a wasteful number, since it uses less digits than its factorization.

65774625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25082 (or 25072 counting only the distinct ones).

The product of its digits is 352800, while the sum is 42.

The square root of 65774625 is about 8110.1556705158. The cubic root of 65774625 is about 403.6634802644.

The spelling of 65774625 in words is "sixty-five million, seven hundred seventy-four thousand, six hundred twenty-five".