515247039 has 6 divisors (see below), whose sum is σ = 744245736. Its totient is φ = 343498020.

The previous prime is 515247037. The next prime is 515247049. The reversal of 515247039 is 930742515.

515247039 is a `hidden beast` number, since 5 + 152 + 470 + 39 = 666.

It is not a de Polignac number, because 515247039 - 2¹ = 515247037 is a prime.

It is a super-2 number, since 2×515247039² = 530959022396535042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 515246994 and 515247012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515247037) 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 5 ways as a sum of consecutive naturals, for example, 28624827 + ... + 28624844.

It is an arithmetic number, because the mean of its divisors is an integer number (124040956).

Almost surely, 2^515247039 is an apocalyptic number.

515247039 is a deficient number, since it is larger than the sum of its proper divisors (228998697).

515247039 is a wasteful number, since it uses less digits than its factorization.

515247039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57249677 (or 57249674 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 515247039 is about 22699.0537027428. The cubic root of 515247039 is about 801.6876036350.

The spelling of 515247039 in words is "five hundred fifteen million, two hundred forty-seven thousand, thirty-nine".