65737025 has 6 divisors (see below), whose sum is σ = 81513942. Its totient is φ = 52589600.

The previous prime is 65736991. The next prime is 65737039. The reversal of 65737025 is 52073756.

It can be written as a sum of positive squares in 3 ways, for example, as 595984 + 65141041 = 772^2 + 8071^2 .

It is not a de Polignac number, because 65737025 - 2¹⁸ = 65474881 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1314716 + ... + 1314765.

It is an arithmetic number, because the mean of its divisors is an integer number (13585657).

Almost surely, 2^65737025 is an apocalyptic number.

It is an amenable number.

65737025 is a deficient number, since it is larger than the sum of its proper divisors (15776917).

65737025 is a wasteful number, since it uses less digits than its factorization.

65737025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629491 (or 2629486 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 65737025 is about 8107.8372578635. The cubic root of 65737025 is about 403.5865476586.

The spelling of 65737025 in words is "sixty-five million, seven hundred thirty-seven thousand, twenty-five".