65214057 has 16 divisors (see below), whose sum is σ = 93631680. Its totient is φ = 40223232.

The previous prime is 65214053. The next prime is 65214059. The reversal of 65214057 is 75041256.

It is not a de Polignac number, because 65214057 - 2² = 65214053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65214053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7828 + ... + 13845.

It is an arithmetic number, because the mean of its divisors is an integer number (5851980).

Almost surely, 2^65214057 is an apocalyptic number.

It is an amenable number.

65214057 is a deficient number, since it is larger than the sum of its proper divisors (28417623).

65214057 is a wasteful number, since it uses less digits than its factorization.

65214057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21752.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 65214057 is about 8075.5220883854. The cubic root of 65214057 is about 402.5134586501.

The spelling of 65214057 in words is "sixty-five million, two hundred fourteen thousand, fifty-seven".