64654501 has 4 divisors (see below), whose sum is σ = 65750400. Its totient is φ = 63558604.

The previous prime is 64654489. The next prime is 64654529. The reversal of 64654501 is 10545646.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64654501 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 (64654591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547861 + ... + 547978.

It is an arithmetic number, because the mean of its divisors is an integer number (16437600).

Almost surely, 2^64654501 is an apocalyptic number.

It is an amenable number.

64654501 is a deficient number, since it is larger than the sum of its proper divisors (1095899).

64654501 is a wasteful number, since it uses less digits than its factorization.

64654501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095898.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 64654501 is about 8040.8022609687. The cubic root of 64654501 is about 401.3589218504.

The spelling of 64654501 in words is "sixty-four million, six hundred fifty-four thousand, five hundred one".