255052689 has 16 divisors (see below), whose sum is σ = 343066752. Its totient is φ = 168543488.

The previous prime is 255052631. The next prime is 255052723. The reversal of 255052689 is 986250552.

It is a cyclic number.

It is not a de Polignac number, because 255052689 - 2¹³ = 255044497 is a prime.

It is a super-2 number, since 2×255052689² = 130103748332261442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 255052689.

It is not an unprimeable number, because it can be changed into a prime (255052289) 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, 260569 + ... + 261545.

It is an arithmetic number, because the mean of its divisors is an integer number (21441672).

Almost surely, 2^255052689 is an apocalyptic number.

It is an amenable number.

255052689 is a deficient number, since it is larger than the sum of its proper divisors (88014063).

255052689 is a wasteful number, since it uses less digits than its factorization.

255052689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656.

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 255052689 is about 15970.3690940441. The cubic root of 255052689 is about 634.1762431007.

The spelling of 255052689 in words is "two hundred fifty-five million, fifty-two thousand, six hundred eighty-nine".