64865159 has 2 divisors, whose sum is σ = 64865160. Its totient is φ = 64865158.

The previous prime is 64865153. The next prime is 64865167. The reversal of 64865159 is 95156846.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64865159 - 2⁸ = 64864903 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 (64865153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32432579 + 32432580.

It is an arithmetic number, because the mean of its divisors is an integer number (32432580).

Almost surely, 2^64865159 is an apocalyptic number.

64865159 is a deficient number, since it is larger than the sum of its proper divisors (1).

64865159 is an equidigital number, since it uses as much as digits as its factorization.

64865159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 44.

The square root of 64865159 is about 8053.8909230260. The cubic root of 64865159 is about 401.7943532880.

The spelling of 64865159 in words is "sixty-four million, eight hundred sixty-five thousand, one hundred fifty-nine".