513825085 has 16 divisors (see below), whose sum is σ = 661132800. Its totient is φ = 381977856.

The previous prime is 513825073. The next prime is 513825097. The reversal of 513825085 is 580528315.

It is an interprime number because it is at equal distance from previous prime (513825073) and next prime (513825097).

It is a cyclic number.

It is not a de Polignac number, because 513825085 - 2¹³ = 513816893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31545 + ... + 44974.

It is an arithmetic number, because the mean of its divisors is an integer number (41320800).

Almost surely, 2^513825085 is an apocalyptic number.

It is an amenable number.

513825085 is a deficient number, since it is larger than the sum of its proper divisors (147307715).

513825085 is a wasteful number, since it uses less digits than its factorization.

513825085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76620.

The product of its (nonzero) digits is 48000, while the sum is 37.

The square root of 513825085 is about 22667.7101843128. The cubic root of 513825085 is about 800.9494378681.

The spelling of 513825085 in words is "five hundred thirteen million, eight hundred twenty-five thousand, eighty-five".