255152521 has 16 divisors (see below), whose sum is σ = 282139200. Its totient is φ = 229295808.

The previous prime is 255152509. The next prime is 255152533. The reversal of 255152521 is 125251552.

255152521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (255152509) and next prime (255152533).

It is a cyclic number.

It is not a de Polignac number, because 255152521 - 2⁵ = 255152489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255152521.

It is not an unprimeable number, because it can be changed into a prime (255150521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80515 + ... + 83623.

It is an arithmetic number, because the mean of its divisors is an integer number (17633700).

Almost surely, 2^255152521 is an apocalyptic number.

It is an amenable number.

255152521 is a deficient number, since it is larger than the sum of its proper divisors (26986679).

255152521 is a wasteful number, since it uses less digits than its factorization.

255152521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3288.

The product of its digits is 5000, while the sum is 28.

The square root of 255152521 is about 15973.4943265398. The cubic root of 255152521 is about 634.2589747961.

The spelling of 255152521 in words is "two hundred fifty-five million, one hundred fifty-two thousand, five hundred twenty-one".