255802315 has 16 divisors (see below), whose sum is σ = 329877792. Its totient is φ = 189725184.

The previous prime is 255802307. The next prime is 255802319. The reversal of 255802315 is 513208552.

It is a cyclic number.

It is not a de Polignac number, because 255802315 - 2³ = 255802307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255802319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16764 + ... + 28153.

It is an arithmetic number, because the mean of its divisors is an integer number (20617362).

Almost surely, 2^255802315 is an apocalyptic number.

255802315 is a deficient number, since it is larger than the sum of its proper divisors (74075477).

255802315 is a wasteful number, since it uses less digits than its factorization.

255802315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45006.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 255802315 is about 15993.8211506819. The cubic root of 255802315 is about 634.7969383988.

The spelling of 255802315 in words is "two hundred fifty-five million, eight hundred two thousand, three hundred fifteen".