255962261 has 2 divisors, whose sum is σ = 255962262. Its totient is φ = 255962260.

The previous prime is 255962227. The next prime is 255962363. The reversal of 255962261 is 162269552.

255962261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160528900 + 95433361 = 12670^2 + 9769^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255962261 is a prime.

It is a super-3 number, since 3×255962261³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255962461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127981130 + 127981131.

It is an arithmetic number, because the mean of its divisors is an integer number (127981131).

Almost surely, 2^255962261 is an apocalyptic number.

It is an amenable number.

255962261 is a deficient number, since it is larger than the sum of its proper divisors (1).

255962261 is an equidigital number, since it uses as much as digits as its factorization.

255962261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 38.

The square root of 255962261 is about 15998.8206127827. The cubic root of 255962261 is about 634.9292177288.

The spelling of 255962261 in words is "two hundred fifty-five million, nine hundred sixty-two thousand, two hundred sixty-one".