64081255 has 16 divisors (see below), whose sum is σ = 88015680. Its totient is φ = 43875072.

The previous prime is 64081231. The next prime is 64081261. The reversal of 64081255 is 55218046.

It is a cyclic number.

It is not a de Polignac number, because 64081255 - 2¹¹ = 64079207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37561 + ... + 39229.

It is an arithmetic number, because the mean of its divisors is an integer number (5500980).

Almost surely, 2^64081255 is an apocalyptic number.

64081255 is a deficient number, since it is larger than the sum of its proper divisors (23934425).

64081255 is a wasteful number, since it uses less digits than its factorization.

64081255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 64081255 is about 8005.0768266145. The cubic root of 64081255 is about 400.1692096601.

The spelling of 64081255 in words is "sixty-four million, eighty-one thousand, two hundred fifty-five".