64546497 has 8 divisors (see below), whose sum is σ = 95624480. Its totient is φ = 43030980.

The previous prime is 64546453. The next prime is 64546499. The reversal of 64546497 is 79464546.

64546497 is a `hidden beast` number, since 64 + 546 + 49 + 7 = 666.

It is not a de Polignac number, because 64546497 - 2¹⁰ = 64545473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64546499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1195279 + ... + 1195332.

It is an arithmetic number, because the mean of its divisors is an integer number (11953060).

Almost surely, 2^64546497 is an apocalyptic number.

It is an amenable number.

64546497 is a deficient number, since it is larger than the sum of its proper divisors (31077983).

64546497 is a wasteful number, since it uses less digits than its factorization.

64546497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390620 (or 2390614 counting only the distinct ones).

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

The square root of 64546497 is about 8034.0834573709. The cubic root of 64546497 is about 401.1353100458.

The spelling of 64546497 in words is "sixty-four million, five hundred forty-six thousand, four hundred ninety-seven".