65257004 has 12 divisors (see below), whose sum is σ = 114513504. Its totient is φ = 32538864.

The previous prime is 65256991. The next prime is 65257013. The reversal of 65257004 is 40075256.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20759 + ... + 23694.

It is an arithmetic number, because the mean of its divisors is an integer number (9542792).

Almost surely, 2^65257004 is an apocalyptic number.

It is an amenable number.

65257004 is a deficient number, since it is larger than the sum of its proper divisors (49256500).

65257004 is a wasteful number, since it uses less digits than its factorization.

65257004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44824 (or 44822 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 65257004 is about 8078.1807357845. The cubic root of 65257004 is about 402.6017982552.

The spelling of 65257004 in words is "sixty-five million, two hundred fifty-seven thousand, four".