255141521 has 4 divisors (see below), whose sum is σ = 260570112. Its totient is φ = 249712932.

The previous prime is 255141517. The next prime is 255141527. The reversal of 255141521 is 125141552.

255141521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 255141521 - 2² = 255141517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255141527) 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, 2714225 + ... + 2714318.

It is an arithmetic number, because the mean of its divisors is an integer number (65142528).

Almost surely, 2^255141521 is an apocalyptic number.

It is an amenable number.

255141521 is a deficient number, since it is larger than the sum of its proper divisors (5428591).

255141521 is an equidigital number, since it uses as much as digits as its factorization.

255141521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5428590.

The product of its digits is 2000, while the sum is 26.

The square root of 255141521 is about 15973.1500024259. The cubic root of 255141521 is about 634.2498600531.

The spelling of 255141521 in words is "two hundred fifty-five million, one hundred forty-one thousand, five hundred twenty-one".