255045515 has 8 divisors (see below), whose sum is σ = 307247040. Its totient is φ = 203241472.

The previous prime is 255045499. The next prime is 255045523. The reversal of 255045515 is 515540552.

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

It is a cyclic number.

It is not a de Polignac number, because 255045515 - 2⁴ = 255045499 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97955 + ... + 100524.

It is an arithmetic number, because the mean of its divisors is an integer number (38405880).

Almost surely, 2^255045515 is an apocalyptic number.

255045515 is a deficient number, since it is larger than the sum of its proper divisors (52201525).

255045515 is a wasteful number, since it uses less digits than its factorization.

255045515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198741.

The product of its (nonzero) digits is 25000, while the sum is 32.

The square root of 255045515 is about 15970.1444890145. The cubic root of 255045515 is about 634.1702971096.

The spelling of 255045515 in words is "two hundred fifty-five million, forty-five thousand, five hundred fifteen".