64604291 has 2 divisors, whose sum is σ = 64604292. Its totient is φ = 64604290.

The previous prime is 64604269. The next prime is 64604311. The reversal of 64604291 is 19240646.

It is a happy number.

64604291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64604291 - 2⁶ = 64604227 is a prime.

It is a super-2 number, since 2×64604291² = 8347428831225362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64604201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32302145 + 32302146.

It is an arithmetic number, because the mean of its divisors is an integer number (32302146).

Almost surely, 2^64604291 is an apocalyptic number.

64604291 is a deficient number, since it is larger than the sum of its proper divisors (1).

64604291 is an equidigital number, since it uses as much as digits as its factorization.

64604291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 64604291 is about 8037.6794536732. The cubic root of 64604291 is about 401.2549979159.

The spelling of 64604291 in words is "sixty-four million, six hundred four thousand, two hundred ninety-one".