255231461 has 4 divisors (see below), whose sum is σ = 255272352. Its totient is φ = 255190572.

The previous prime is 255231451. The next prime is 255231467. The reversal of 255231461 is 164132552.

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 255231461 - 2⁶ = 255231397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255231467) 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, 8915 + ... + 24288.

It is an arithmetic number, because the mean of its divisors is an integer number (63818088).

Almost surely, 2^255231461 is an apocalyptic number.

It is an amenable number.

255231461 is a deficient number, since it is larger than the sum of its proper divisors (40891).

255231461 is an equidigital number, since it uses as much as digits as its factorization.

255231461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40890.

The product of its digits is 7200, while the sum is 29.

The square root of 255231461 is about 15975.9651038677. The cubic root of 255231461 is about 634.3243778221.

The spelling of 255231461 in words is "two hundred fifty-five million, two hundred thirty-one thousand, four hundred sixty-one".