515249061 has 16 divisors (see below), whose sum is σ = 711763200. Its totient is φ = 331153088.

The previous prime is 515249057. The next prime is 515249081. The reversal of 515249061 is 160942515.

It is not a de Polignac number, because 515249061 - 2² = 515249057 is a prime.

It is a super-2 number, since 2×515249061² = 530963189722763442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515249041) 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, 58435 + ... + 66671.

It is an arithmetic number, because the mean of its divisors is an integer number (44485200).

Almost surely, 2^515249061 is an apocalyptic number.

It is an amenable number.

515249061 is a deficient number, since it is larger than the sum of its proper divisors (196514139).

515249061 is a wasteful number, since it uses less digits than its factorization.

515249061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8988.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 515249061 is about 22699.0982420007. The cubic root of 515249061 is about 801.6886523295.

The spelling of 515249061 in words is "five hundred fifteen million, two hundred forty-nine thousand, sixty-one".