65718925 has 12 divisors (see below), whose sum is σ = 83226816. Its totient is φ = 51455600.

The previous prime is 65718911. The next prime is 65719063. The reversal of 65718925 is 52981756.

It is not a de Polignac number, because 65718925 - 2¹⁹ = 65194637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26791 + ... + 29140.

It is an arithmetic number, because the mean of its divisors is an integer number (6935568).

Almost surely, 2^65718925 is an apocalyptic number.

It is an amenable number.

65718925 is a deficient number, since it is larger than the sum of its proper divisors (17507891).

65718925 is a wasteful number, since it uses less digits than its factorization.

65718925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55988 (or 55983 counting only the distinct ones).

The product of its digits is 151200, while the sum is 43.

The square root of 65718925 is about 8106.7209770659. The cubic root of 65718925 is about 403.5495031516.

The spelling of 65718925 in words is "sixty-five million, seven hundred eighteen thousand, nine hundred twenty-five".