64901597 has 12 divisors (see below), whose sum is σ = 69937056. Its totient is φ = 60204480.

The previous prime is 64901579. The next prime is 64901651. The reversal of 64901597 is 79510946.

It is not a de Polignac number, because 64901597 - 2¹⁰ = 64900573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64901527) 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 in 11 ways as a sum of consecutive naturals, for example, 18938 + ... + 22100.

It is an arithmetic number, because the mean of its divisors is an integer number (5828088).

Almost surely, 2^64901597 is an apocalyptic number.

It is an amenable number.

64901597 is a deficient number, since it is larger than the sum of its proper divisors (5035459).

64901597 is a wasteful number, since it uses less digits than its factorization.

64901597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268 (or 3251 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 64901597 is about 8056.1527418489. The cubic root of 64901597 is about 401.8695751908.

The spelling of 64901597 in words is "sixty-four million, nine hundred one thousand, five hundred ninety-seven".