255514021 has 8 divisors (see below), whose sum is σ = 292115264. Its totient is φ = 218937600.

The previous prime is 255514013. The next prime is 255514031. The reversal of 255514021 is 120415552.

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

It is not a de Polignac number, because 255514021 - 2³ = 255514013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255514031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29806 + ... + 37408.

It is an arithmetic number, because the mean of its divisors is an integer number (36514408).

Almost surely, 2^255514021 is an apocalyptic number.

It is an amenable number.

255514021 is a deficient number, since it is larger than the sum of its proper divisors (36601243).

255514021 is an equidigital number, since it uses as much as digits as its factorization.

255514021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12411.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 255514021 is about 15984.8059418937. The cubic root of 255514021 is about 634.5583727407.

Adding to 255514021 its reverse (120415552), we get a palindrome (375929573).

The spelling of 255514021 in words is "two hundred fifty-five million, five hundred fourteen thousand, twenty-one".