65590901 has 2 divisors, whose sum is σ = 65590902. Its totient is φ = 65590900.

The previous prime is 65590891. The next prime is 65590933. The reversal of 65590901 is 10909556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61999876 + 3591025 = 7874^2 + 1895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65590901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65590951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32795450 + 32795451.

It is an arithmetic number, because the mean of its divisors is an integer number (32795451).

Almost surely, 2^65590901 is an apocalyptic number.

It is an amenable number.

65590901 is a deficient number, since it is larger than the sum of its proper divisors (1).

65590901 is an equidigital number, since it uses as much as digits as its factorization.

65590901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 35.

The square root of 65590901 is about 8098.8209635724. The cubic root of 65590901 is about 403.2872874299.

The spelling of 65590901 in words is "sixty-five million, five hundred ninety thousand, nine hundred one".