255274261 has 8 divisors (see below), whose sum is σ = 294862464. Its totient is φ = 218416320.

The previous prime is 255274223. The next prime is 255274289. The reversal of 255274261 is 162472552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255274261 - 2⁷ = 255274133 is a prime.

It is a super-2 number, since 2×255274261² = 130329896658192242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255277261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682365 + ... + 682738.

It is an arithmetic number, because the mean of its divisors is an integer number (36857808).

Almost surely, 2^255274261 is an apocalyptic number.

It is an amenable number.

255274261 is a deficient number, since it is larger than the sum of its proper divisors (39588203).

255274261 is a wasteful number, since it uses less digits than its factorization.

255274261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365131.

The product of its digits is 33600, while the sum is 34.

The square root of 255274261 is about 15977.3045599062. The cubic root of 255274261 is about 634.3598326544.

The spelling of 255274261 in words is "two hundred fifty-five million, two hundred seventy-four thousand, two hundred sixty-one".