64052493 has 16 divisors (see below), whose sum is σ = 91017216. Its totient is φ = 39974000.

The previous prime is 64052491. The next prime is 64052509. The reversal of 64052493 is 39425046.

It is not a de Polignac number, because 64052493 - 2¹ = 64052491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64052491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6633 + ... + 13118.

It is an arithmetic number, because the mean of its divisors is an integer number (5688576).

Almost surely, 2^64052493 is an apocalyptic number.

It is an amenable number.

64052493 is a deficient number, since it is larger than the sum of its proper divisors (26964723).

64052493 is a wasteful number, since it uses less digits than its factorization.

64052493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19824.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 64052493 is about 8003.2801400426. The cubic root of 64052493 is about 400.1093305310.

The spelling of 64052493 in words is "sixty-four million, fifty-two thousand, four hundred ninety-three".