515252555 has 16 divisors (see below), whose sum is σ = 645801984. Its totient is φ = 393903840.

The previous prime is 515252537. The next prime is 515252561. The reversal of 515252555 is 555252515.

It is not a de Polignac number, because 515252555 - 2¹⁴ = 515236171 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209342 + ... + 211788.

It is an arithmetic number, because the mean of its divisors is an integer number (40362624).

Almost surely, 2^515252555 is an apocalyptic number.

515252555 is a deficient number, since it is larger than the sum of its proper divisors (130549429).

515252555 is a wasteful number, since it uses less digits than its factorization.

515252555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4306.

The product of its digits is 62500, while the sum is 35.

The square root of 515252555 is about 22699.1752052800. The cubic root of 515252555 is about 801.6904644589.

The spelling of 515252555 in words is "five hundred fifteen million, two hundred fifty-two thousand, five hundred fifty-five".