64322263 has 2 divisors, whose sum is σ = 64322264. Its totient is φ = 64322262.

The previous prime is 64322249. The next prime is 64322267. The reversal of 64322263 is 36222346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64322263 - 2¹⁷ = 64191191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64322267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32161131 + 32161132.

It is an arithmetic number, because the mean of its divisors is an integer number (32161132).

Almost surely, 2^64322263 is an apocalyptic number.

64322263 is a deficient number, since it is larger than the sum of its proper divisors (1).

64322263 is an equidigital number, since it uses as much as digits as its factorization.

64322263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 28.

The square root of 64322263 is about 8020.1161462911. The cubic root of 64322263 is about 400.6702575099.

The spelling of 64322263 in words is "sixty-four million, three hundred twenty-two thousand, two hundred sixty-three".