35664961 has 2 divisors, whose sum is σ = 35664962. Its totient is φ = 35664960.

The previous prime is 35664949. The next prime is 35664977. The reversal of 35664961 is 16946653.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34751025 + 913936 = 5895^2 + 956^2 .

It is a cyclic number.

It is not a de Polignac number, because 35664961 - 2⁷ = 35664833 is a prime.

It is not a weakly prime, because it can be changed into another prime (35664061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17832480 + 17832481.

It is an arithmetic number, because the mean of its divisors is an integer number (17832481).

Almost surely, 2^35664961 is an apocalyptic number.

It is an amenable number.

35664961 is a deficient number, since it is larger than the sum of its proper divisors (1).

35664961 is an equidigital number, since it uses as much as digits as its factorization.

35664961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 40.

The square root of 35664961 is about 5972.0148191377. The cubic root of 35664961 is about 329.1652025216.

The spelling of 35664961 in words is "thirty-five million, six hundred sixty-four thousand, nine hundred sixty-one".