64235015 has 8 divisors (see below), whose sum is σ = 83011488. Its totient is φ = 47435040.

The previous prime is 64235009. The next prime is 64235033. The reversal of 64235015 is 51053246.

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

It is not a de Polignac number, because 64235015 - 2²⁴ = 47457799 is a prime.

It is a super-2 number, since 2×64235015² = 8252274304100450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494051 + ... + 494180.

It is an arithmetic number, because the mean of its divisors is an integer number (10376436).

Almost surely, 2^64235015 is an apocalyptic number.

64235015 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

64235015 is a deficient number, since it is larger than the sum of its proper divisors (18776473).

64235015 is a wasteful number, since it uses less digits than its factorization.

64235015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988249.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 64235015 is about 8014.6749778141. The cubic root of 64235015 is about 400.4890164969.

The spelling of 64235015 in words is "sixty-four million, two hundred thirty-five thousand, fifteen".