513875 has 8 divisors (see below), whose sum is σ = 641472. Its totient is φ = 411000.

The previous prime is 513871. The next prime is 513881. The reversal of 513875 is 578315.

It is not a de Polignac number, because 513875 - 2² = 513871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513871) 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, 1931 + ... + 2180.

It is an arithmetic number, because the mean of its divisors is an integer number (80184).

2⁵¹³⁸⁷⁵ is an apocalyptic number.

513875 is a deficient number, since it is larger than the sum of its proper divisors (127597).

513875 is an equidigital number, since it uses as much as digits as its factorization.

513875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4126 (or 4116 counting only the distinct ones).

The product of its digits is 4200, while the sum is 29.

The square root of 513875 is about 716.8507515515. The cubic root of 513875 is about 80.0975372827.

The spelling of 513875 in words is "five hundred thirteen thousand, eight hundred seventy-five".