255562651 has 4 divisors (see below), whose sum is σ = 255954672. Its totient is φ = 255170632.

The previous prime is 255562639. The next prime is 255562691. The reversal of 255562651 is 156265552.

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

It is a cyclic number.

It is not a de Polignac number, because 255562651 - 2⁷ = 255562523 is a prime.

It is a super-2 number, since 2×255562651² = 130624537172295602, which contains 22 as substring.

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 255562651.

It is not an unprimeable number, because it can be changed into a prime (255562691) 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, 195031 + ... + 196336.

It is an arithmetic number, because the mean of its divisors is an integer number (63988668).

Almost surely, 2^255562651 is an apocalyptic number.

255562651 is a deficient number, since it is larger than the sum of its proper divisors (392021).

255562651 is an equidigital number, since it uses as much as digits as its factorization.

255562651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392020.

The product of its digits is 90000, while the sum is 37.

The square root of 255562651 is about 15986.3270015348. The cubic root of 255562651 is about 634.5986270434.

The spelling of 255562651 in words is "two hundred fifty-five million, five hundred sixty-two thousand, six hundred fifty-one".