64252517 has 8 divisors (see below), whose sum is σ = 74361600. Its totient is φ = 54375984.

The previous prime is 64252511. The next prime is 64252549. The reversal of 64252517 is 71525246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64252517 - 2¹⁶ = 64186981 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 (64252511) 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, 57542 + ... + 58647.

It is an arithmetic number, because the mean of its divisors is an integer number (9295200).

Almost surely, 2^64252517 is an apocalyptic number.

It is an amenable number.

64252517 is a deficient number, since it is larger than the sum of its proper divisors (10109083).

64252517 is a wasteful number, since it uses less digits than its factorization.

64252517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116275.

The product of its digits is 16800, while the sum is 32.

The square root of 64252517 is about 8015.7667755493. The cubic root of 64252517 is about 400.5253867032.

The spelling of 64252517 in words is "sixty-four million, two hundred fifty-two thousand, five hundred seventeen".