64411255 has 4 divisors (see below), whose sum is σ = 77293512. Its totient is φ = 51529000.

The previous prime is 64411231. The next prime is 64411289. The reversal of 64411255 is 55211446.

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

It is not a de Polignac number, because 64411255 - 2⁹ = 64410743 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 6441121 + ... + 6441130.

It is an arithmetic number, because the mean of its divisors is an integer number (19323378).

Almost surely, 2^64411255 is an apocalyptic number.

64411255 is a deficient number, since it is larger than the sum of its proper divisors (12882257).

64411255 is a wasteful number, since it uses less digits than its factorization.

64411255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12882256.

The product of its digits is 4800, while the sum is 28.

The square root of 64411255 is about 8025.6622779681. The cubic root of 64411255 is about 400.8549525883.

It can be divided in two parts, 6441125 and 5, that multiplied together give a square (32205625 = 5675²).

The spelling of 64411255 in words is "sixty-four million, four hundred eleven thousand, two hundred fifty-five".