64196507 has 2 divisors, whose sum is σ = 64196508. Its totient is φ = 64196506.

The previous prime is 64196479. The next prime is 64196527. The reversal of 64196507 is 70569146.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64196507 - 2²⁴ = 47419291 is a prime.

It is a super-2 number, since 2×64196507² = 8242383022002098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64196527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32098253 + 32098254.

It is an arithmetic number, because the mean of its divisors is an integer number (32098254).

Almost surely, 2^64196507 is an apocalyptic number.

64196507 is a deficient number, since it is larger than the sum of its proper divisors (1).

64196507 is an equidigital number, since it uses as much as digits as its factorization.

64196507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 64196507 is about 8012.2722744550. The cubic root of 64196507 is about 400.4089712970.

The spelling of 64196507 in words is "sixty-four million, one hundred ninety-six thousand, five hundred seven".