64024255 has 4 divisors (see below), whose sum is σ = 76829112. Its totient is φ = 51219400.

The previous prime is 64024253. The next prime is 64024277. The reversal of 64024255 is 55242046.

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

It is not a de Polignac number, because 64024255 - 2¹ = 64024253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64024253) 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, 6402421 + ... + 6402430.

It is an arithmetic number, because the mean of its divisors is an integer number (19207278).

Almost surely, 2^64024255 is an apocalyptic number.

64024255 is a deficient number, since it is larger than the sum of its proper divisors (12804857).

64024255 is a wasteful number, since it uses less digits than its factorization.

64024255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12804856.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 64024255 is about 8001.5157938981. The cubic root of 64024255 is about 400.0505248678.

The spelling of 64024255 in words is "sixty-four million, twenty-four thousand, two hundred fifty-five".