64052507 has 4 divisors (see below), whose sum is σ = 64674480. Its totient is φ = 63430536.

The previous prime is 64052491. The next prime is 64052509. The reversal of 64052507 is 70525046.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70525046 = 2 ⋅35262523.

It is a cyclic number.

It is not a de Polignac number, because 64052507 - 2⁴ = 64052491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64052507.

It is not an unprimeable number, because it can be changed into a prime (64052509) 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, 310832 + ... + 311037.

It is an arithmetic number, because the mean of its divisors is an integer number (16168620).

Almost surely, 2^64052507 is an apocalyptic number.

64052507 is a deficient number, since it is larger than the sum of its proper divisors (621973).

64052507 is a wasteful number, since it uses less digits than its factorization.

64052507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621972.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 64052507 is about 8003.2810146839. The cubic root of 64052507 is about 400.1093596818.

The spelling of 64052507 in words is "sixty-four million, fifty-two thousand, five hundred seven".