65264657 has 2 divisors, whose sum is σ = 65264658. Its totient is φ = 65264656.

The previous prime is 65264629. The next prime is 65264713. The reversal of 65264657 is 75646256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49336576 + 15928081 = 7024^2 + 3991^2 .

It is a cyclic number.

It is not a de Polignac number, because 65264657 - 2¹⁰ = 65263633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65264057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32632328 + 32632329.

It is an arithmetic number, because the mean of its divisors is an integer number (32632329).

Almost surely, 2^65264657 is an apocalyptic number.

It is an amenable number.

65264657 is a deficient number, since it is larger than the sum of its proper divisors (1).

65264657 is an equidigital number, since it uses as much as digits as its factorization.

65264657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 41.

The square root of 65264657 is about 8078.6544052831. The cubic root of 65264657 is about 402.6175359842.

The spelling of 65264657 in words is "sixty-five million, two hundred sixty-four thousand, six hundred fifty-seven".