255995015 has 8 divisors (see below), whose sum is σ = 307860288. Its totient is φ = 204351840.

The previous prime is 255995011. The next prime is 255995017. The reversal of 255995015 is 510599552.

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

It is not a de Polignac number, because 255995015 - 2² = 255995011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255995011) 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 7 ways as a sum of consecutive naturals, for example, 52976 + ... + 57605.

It is an arithmetic number, because the mean of its divisors is an integer number (38482536).

Almost surely, 2^255995015 is an apocalyptic number.

255995015 is a deficient number, since it is larger than the sum of its proper divisors (51865273).

255995015 is a wasteful number, since it uses less digits than its factorization.

255995015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111049.

The product of its (nonzero) digits is 101250, while the sum is 41.

The square root of 255995015 is about 15999.8442179916. The cubic root of 255995015 is about 634.9562993052.

The spelling of 255995015 in words is "two hundred fifty-five million, nine hundred ninety-five thousand, fifteen".