255156929 has 4 divisors (see below), whose sum is σ = 255410820. Its totient is φ = 254903040.

The previous prime is 255156919. The next prime is 255156983. The reversal of 255156929 is 929651552.

255156929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 54169600 + 200987329 = 7360^2 + 14177^2 .

It is a cyclic number.

It is not a de Polignac number, because 255156929 - 2⁸ = 255156673 is a prime.

It is a super-2 number, since 2×255156929² = 130210116833422082, 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 255156929.

It is not an unprimeable number, because it can be changed into a prime (255156919) 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, 125432 + ... + 127449.

It is an arithmetic number, because the mean of its divisors is an integer number (63852705).

Almost surely, 2^255156929 is an apocalyptic number.

It is an amenable number.

255156929 is a deficient number, since it is larger than the sum of its proper divisors (253891).

255156929 is a wasteful number, since it uses less digits than its factorization.

255156929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253890.

The product of its digits is 243000, while the sum is 44.

The square root of 255156929 is about 15973.6323045198. The cubic root of 255156929 is about 634.2626272487.

The spelling of 255156929 in words is "two hundred fifty-five million, one hundred fifty-six thousand, nine hundred twenty-nine".