513052503 has 8 divisors (see below), whose sum is σ = 724309488. Its totient is φ = 321915264.

The previous prime is 513052499. The next prime is 513052583. The reversal of 513052503 is 305250315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 513052503 - 2² = 513052499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513052583) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5029876 + ... + 5029977.

It is an arithmetic number, because the mean of its divisors is an integer number (90538686).

Almost surely, 2^513052503 is an apocalyptic number.

513052503 is a deficient number, since it is larger than the sum of its proper divisors (211256985).

513052503 is a wasteful number, since it uses less digits than its factorization.

513052503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10059873.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 513052503 is about 22650.6623081975. The cubic root of 513052503 is about 800.5478034494.

The spelling of 513052503 in words is "five hundred thirteen million, fifty-two thousand, five hundred three".