255512315 has 8 divisors (see below), whose sum is σ = 310933728. Its totient is φ = 201530560.

The previous prime is 255512291. The next prime is 255512317. The reversal of 255512315 is 513215552.

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

It is not a de Polignac number, because 255512315 - 2⁶ = 255512251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255512317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359522 + ... + 360231.

It is an arithmetic number, because the mean of its divisors is an integer number (38866716).

Almost surely, 2^255512315 is an apocalyptic number.

255512315 is a deficient number, since it is larger than the sum of its proper divisors (55421413).

255512315 is an equidigital number, since it uses as much as digits as its factorization.

255512315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719829.

The product of its digits is 7500, while the sum is 29.

The square root of 255512315 is about 15984.7525786294. The cubic root of 255512315 is about 634.5569604777.

Adding to 255512315 its reverse (513215552), we get a palindrome (768727867).

The spelling of 255512315 in words is "two hundred fifty-five million, five hundred twelve thousand, three hundred fifteen".