513720475 has 6 divisors (see below), whose sum is σ = 637013420. Its totient is φ = 410976360.

The previous prime is 513720457. The next prime is 513720503. The reversal of 513720475 is 574027315.

It is not a de Polignac number, because 513720475 - 2⁵ = 513720443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 513720475.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10274385 + ... + 10274434.

Almost surely, 2^513720475 is an apocalyptic number.

513720475 is a deficient number, since it is larger than the sum of its proper divisors (123292945).

513720475 is a wasteful number, since it uses less digits than its factorization.

513720475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20548829 (or 20548824 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 513720475 is about 22665.4025995569. The cubic root of 513720475 is about 800.8950788979.

The spelling of 513720475 in words is "five hundred thirteen million, seven hundred twenty thousand, four hundred seventy-five".