64397159 has 2 divisors, whose sum is σ = 64397160. Its totient is φ = 64397158.

The previous prime is 64397149. The next prime is 64397167. The reversal of 64397159 is 95179346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64397159 - 2⁸ = 64396903 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64397119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32198579 + 32198580.

It is an arithmetic number, because the mean of its divisors is an integer number (32198580).

Almost surely, 2^64397159 is an apocalyptic number.

64397159 is a deficient number, since it is larger than the sum of its proper divisors (1).

64397159 is an equidigital number, since it uses as much as digits as its factorization.

64397159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 44.

The square root of 64397159 is about 8024.7840469386. The cubic root of 64397159 is about 400.8257089224.

The spelling of 64397159 in words is "sixty-four million, three hundred ninety-seven thousand, one hundred fifty-nine".