513482939 has 2 divisors, whose sum is σ = 513482940. Its totient is φ = 513482938.

The previous prime is 513482917. The next prime is 513482947. The reversal of 513482939 is 939284315.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513482939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 513482939.

It is not a weakly prime, because it can be changed into another prime (513482989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256741469 + 256741470.

It is an arithmetic number, because the mean of its divisors is an integer number (256741470).

Almost surely, 2^513482939 is an apocalyptic number.

513482939 is a deficient number, since it is larger than the sum of its proper divisors (1).

513482939 is an equidigital number, since it uses as much as digits as its factorization.

513482939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 44.

The square root of 513482939 is about 22660.1619367559. The cubic root of 513482939 is about 800.7716195773.

The spelling of 513482939 in words is "five hundred thirteen million, four hundred eighty-two thousand, nine hundred thirty-nine".