513000125 has 16 divisors (see below), whose sum is σ = 698428224. Its totient is φ = 373090000.

The previous prime is 513000113. The next prime is 513000139. The reversal of 513000125 is 521000315.

It is a de Polignac number, because none of the positive numbers 2^k-513000125 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185171 + ... + 187920.

It is an arithmetic number, because the mean of its divisors is an integer number (43651764).

Almost surely, 2^513000125 is an apocalyptic number.

513000125 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

513000125 is a deficient number, since it is larger than the sum of its proper divisors (185428099).

513000125 is a wasteful number, since it uses less digits than its factorization.

513000125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373117 (or 373107 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 513000125 is about 22649.5060652545. The cubic root of 513000125 is about 800.5205596361.

The spelling of 513000125 in words is "five hundred thirteen million, one hundred twenty-five", and thus it is an aban number.