255443541 has 4 divisors (see below), whose sum is σ = 340591392. Its totient is φ = 170295692.

The previous prime is 255443537. The next prime is 255443569. The reversal of 255443541 is 145344552.

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 255443541 - 2² = 255443537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255443501) 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, 42573921 + ... + 42573926.

It is an arithmetic number, because the mean of its divisors is an integer number (85147848).

Almost surely, 2^255443541 is an apocalyptic number.

It is an amenable number.

255443541 is a deficient number, since it is larger than the sum of its proper divisors (85147851).

255443541 is an equidigital number, since it uses as much as digits as its factorization.

255443541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85147850.

The product of its digits is 48000, while the sum is 33.

The square root of 255443541 is about 15982.6011963009. The cubic root of 255443541 is about 634.5000226657.

The spelling of 255443541 in words is "two hundred fifty-five million, four hundred forty-three thousand, five hundred forty-one".