515061085 has 32 divisors (see below), whose sum is σ = 777848832. Its totient is φ = 318050880.

The previous prime is 515061061. The next prime is 515061137. The reversal of 515061085 is 580160515.

It is not a de Polignac number, because 515061085 - 2²⁷ = 380843357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34944 + ... + 47446.

It is an arithmetic number, because the mean of its divisors is an integer number (24307776).

Almost surely, 2^515061085 is an apocalyptic number.

515061085 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

515061085 is a deficient number, since it is larger than the sum of its proper divisors (262787747).

515061085 is a wasteful number, since it uses less digits than its factorization.

515061085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12633.

The product of its (nonzero) digits is 6000, while the sum is 31.

The square root of 515061085 is about 22694.9572592680. The cubic root of 515061085 is about 801.5911483148.

The spelling of 515061085 in words is "five hundred fifteen million, sixty-one thousand, eighty-five".