255260319 has 4 divisors (see below), whose sum is σ = 340347096. Its totient is φ = 170173544.

The previous prime is 255260311. The next prime is 255260339. The reversal of 255260319 is 913062552.

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 255260319 - 2³ = 255260311 is a prime.

It is a super-2 number, since 2×255260319² = 130315660911963522, 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 255260319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255260311) 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, 42543384 + ... + 42543389.

It is an arithmetic number, because the mean of its divisors is an integer number (85086774).

Almost surely, 2^255260319 is an apocalyptic number.

255260319 is a deficient number, since it is larger than the sum of its proper divisors (85086777).

255260319 is an equidigital number, since it uses as much as digits as its factorization.

255260319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85086776.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 255260319 is about 15976.8682475634. The cubic root of 255260319 is about 634.3482837609.

The spelling of 255260319 in words is "two hundred fifty-five million, two hundred sixty thousand, three hundred nineteen".