255890541 has 4 divisors (see below), whose sum is σ = 341187392. Its totient is φ = 170593692.

The previous prime is 255890539. The next prime is 255890563. The reversal of 255890541 is 145098552.

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 not a de Polignac number, because 255890541 - 2¹ = 255890539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255890541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255890641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42648421 + ... + 42648426.

It is an arithmetic number, because the mean of its divisors is an integer number (85296848).

Almost surely, 2^255890541 is an apocalyptic number.

It is an amenable number.

255890541 is a deficient number, since it is larger than the sum of its proper divisors (85296851).

255890541 is an equidigital number, since it uses as much as digits as its factorization.

255890541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85296850.

The product of its (nonzero) digits is 72000, while the sum is 39.

The square root of 255890541 is about 15996.5790405324. The cubic root of 255890541 is about 634.8699103175.

The spelling of 255890541 in words is "two hundred fifty-five million, eight hundred ninety thousand, five hundred forty-one".