255629567 has 4 divisors (see below), whose sum is σ = 266743920. Its totient is φ = 244515216.

The previous prime is 255629557. The next prime is 255629579. The reversal of 255629567 is 765926552.

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 255629567 - 2¹⁰ = 255628543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255629557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5557142 + ... + 5557187.

It is an arithmetic number, because the mean of its divisors is an integer number (66685980).

Almost surely, 2^255629567 is an apocalyptic number.

255629567 is a deficient number, since it is larger than the sum of its proper divisors (11114353).

255629567 is a wasteful number, since it uses less digits than its factorization.

255629567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11114352.

The product of its digits is 1134000, while the sum is 47.

The square root of 255629567 is about 15988.4197780769. The cubic root of 255629567 is about 634.6540095439.

It can be divided in two parts, 2556 and 29567, that added together give a palindrome (32123).

The spelling of 255629567 in words is "two hundred fifty-five million, six hundred twenty-nine thousand, five hundred sixty-seven".