64654497 has 8 divisors (see below), whose sum is σ = 95784480. Its totient is φ = 43102980.

The previous prime is 64654489. The next prime is 64654529. The reversal of 64654497 is 79445646.

64654497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64654497 - 2³ = 64654489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64654097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1197279 + ... + 1197332.

It is an arithmetic number, because the mean of its divisors is an integer number (11973060).

Almost surely, 2^64654497 is an apocalyptic number.

It is an amenable number.

64654497 is a deficient number, since it is larger than the sum of its proper divisors (31129983).

64654497 is a wasteful number, since it uses less digits than its factorization.

64654497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394620 (or 2394614 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 64654497 is about 8040.8020122373. The cubic root of 64654497 is about 401.3589135734.

The spelling of 64654497 in words is "sixty-four million, six hundred fifty-four thousand, four hundred ninety-seven".