64253018 has 8 divisors (see below), whose sum is σ = 99488640. Its totient is φ = 31090140.

The previous prime is 64253017. The next prime is 64253023. The reversal of 64253018 is 81035246.

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

It is not an unprimeable number, because it can be changed into a prime (64253017) 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, 518108 + ... + 518231.

It is an arithmetic number, because the mean of its divisors is an integer number (12436080).

Almost surely, 2^64253018 is an apocalyptic number.

64253018 is a deficient number, since it is larger than the sum of its proper divisors (35235622).

64253018 is a wasteful number, since it uses less digits than its factorization.

64253018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036372.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 64253018 is about 8015.7980263976. The cubic root of 64253018 is about 400.5264277141.

The spelling of 64253018 in words is "sixty-four million, two hundred fifty-three thousand, eighteen".