64590653 has 2 divisors, whose sum is σ = 64590654. Its totient is φ = 64590652.

The previous prime is 64590649. The next prime is 64590677. The reversal of 64590653 is 35609546.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47927929 + 16662724 = 6923^2 + 4082^2 .

It is a cyclic number.

It is not a de Polignac number, because 64590653 - 2² = 64590649 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64550653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32295326 + 32295327.

It is an arithmetic number, because the mean of its divisors is an integer number (32295327).

Almost surely, 2^64590653 is an apocalyptic number.

It is an amenable number.

64590653 is a deficient number, since it is larger than the sum of its proper divisors (1).

64590653 is an equidigital number, since it uses as much as digits as its factorization.

64590653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 64590653 is about 8036.8310297032. The cubic root of 64590653 is about 401.2267608814.

The spelling of 64590653 in words is "sixty-four million, five hundred ninety thousand, six hundred fifty-three".