255752279 has 2 divisors, whose sum is σ = 255752280. Its totient is φ = 255752278.

The previous prime is 255752191. The next prime is 255752291. The reversal of 255752279 is 972257552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255752279 - 2¹² = 255748183 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255452279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127876139 + 127876140.

It is an arithmetic number, because the mean of its divisors is an integer number (127876140).

Almost surely, 2^255752279 is an apocalyptic number.

255752279 is a deficient number, since it is larger than the sum of its proper divisors (1).

255752279 is an equidigital number, since it uses as much as digits as its factorization.

255752279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 441000, while the sum is 44.

The square root of 255752279 is about 15992.2568451110. The cubic root of 255752279 is about 634.7555460567.

The spelling of 255752279 in words is "two hundred fifty-five million, seven hundred fifty-two thousand, two hundred seventy-nine".