255902929 has 4 divisors (see below), whose sum is σ = 256726080. Its totient is φ = 255079780.

The previous prime is 255902917. The next prime is 255902939. The reversal of 255902929 is 929209552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 255902929 - 2²¹ = 253805777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255902939) 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, 411109 + ... + 411730.

It is an arithmetic number, because the mean of its divisors is an integer number (64181520).

Almost surely, 2^255902929 is an apocalyptic number.

It is an amenable number.

255902929 is a deficient number, since it is larger than the sum of its proper divisors (823151).

255902929 is an equidigital number, since it uses as much as digits as its factorization.

255902929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823150.

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 255902929 is about 15996.9662436351. The cubic root of 255902929 is about 634.8801551165.

The spelling of 255902929 in words is "two hundred fifty-five million, nine hundred two thousand, nine hundred twenty-nine".