64252495 has 4 divisors (see below), whose sum is σ = 77103000. Its totient is φ = 51401992.

The previous prime is 64252493. The next prime is 64252511. The reversal of 64252495 is 59425246.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64252495 - 2¹ = 64252493 is a prime.

It is a super-2 number, since 2×64252495² = 8256766227450050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64252493) 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, 6425245 + ... + 6425254.

It is an arithmetic number, because the mean of its divisors is an integer number (19275750).

Almost surely, 2^64252495 is an apocalyptic number.

64252495 is a deficient number, since it is larger than the sum of its proper divisors (12850505).

64252495 is a wasteful number, since it uses less digits than its factorization.

64252495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12850504.

The product of its digits is 86400, while the sum is 37.

The square root of 64252495 is about 8015.7654032538. The cubic root of 64252495 is about 400.5253409901.

The spelling of 64252495 in words is "sixty-four million, two hundred fifty-two thousand, four hundred ninety-five".