515875 has 8 divisors (see below), whose sum is σ = 643968. Its totient is φ = 412600.

The previous prime is 515873. The next prime is 515887. The reversal of 515875 is 578515.

It is not a de Polignac number, because 515875 - 2¹ = 515873 is a prime.

It is a super-2 number, since 2×515875² = 532254031250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (515873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1939 + ... + 2188.

It is an arithmetic number, because the mean of its divisors is an integer number (80496).

2⁵¹⁵⁸⁷⁵ is an apocalyptic number.

515875 is a deficient number, since it is larger than the sum of its proper divisors (128093).

515875 is an equidigital number, since it uses as much as digits as its factorization.

515875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4142 (or 4132 counting only the distinct ones).

The product of its digits is 7000, while the sum is 31.

The square root of 515875 is about 718.2443873780. The cubic root of 515875 is about 80.2013158906.

The spelling of 515875 in words is "five hundred fifteen thousand, eight hundred seventy-five".