515560061 has 16 divisors (see below), whose sum is σ = 535901184. Its totient is φ = 495686064.

The previous prime is 515560051. The next prime is 515560103. The reversal of 515560061 is 160065515.

It is a de Polignac number, because none of the positive numbers 2^k-515560061 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 (515560021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1103750 + ... + 1104216.

It is an arithmetic number, because the mean of its divisors is an integer number (33493824).

Almost surely, 2^515560061 is an apocalyptic number.

It is an amenable number.

515560061 is a deficient number, since it is larger than the sum of its proper divisors (20341123).

515560061 is a wasteful number, since it uses less digits than its factorization.

515560061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 515560061 is about 22705.9477009880. The cubic root of 515560061 is about 801.8499173972.

The spelling of 515560061 in words is "five hundred fifteen million, five hundred sixty thousand, sixty-one".