65208957 has 24 divisors (see below), whose sum is σ = 101199168. Its totient is φ = 37192320.

The previous prime is 65208953. The next prime is 65208959. The reversal of 65208957 is 75980256.

It is not a de Polignac number, because 65208957 - 2² = 65208953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65208953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 888 + ... + 11454.

It is an arithmetic number, because the mean of its divisors is an integer number (4216632).

Almost surely, 2^65208957 is an apocalyptic number.

It is an amenable number.

65208957 is a deficient number, since it is larger than the sum of its proper divisors (35990211).

65208957 is a wasteful number, since it uses less digits than its factorization.

65208957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10609 (or 10598 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 65208957 is about 8075.2063131539. The cubic root of 65208957 is about 402.5029656559.

The spelling of 65208957 in words is "sixty-five million, two hundred eight thousand, nine hundred fifty-seven".