513499242 has 24 divisors (see below), whose sum is σ = 1073598624. Its totient is φ = 163723384.

The previous prime is 513499237. The next prime is 513499277. The reversal of 513499242 is 242994315.

It is a self number, because there is not a number n which added to its sum of digits gives 513499242.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77718 + ... + 84065.

It is an arithmetic number, because the mean of its divisors is an integer number (44733276).

Almost surely, 2^513499242 is an apocalyptic number.

513499242 is an abundant number, since it is smaller than the sum of its proper divisors (560099382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513499242 is a wasteful number, since it uses less digits than its factorization.

513499242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161834 (or 161811 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 513499242 is about 22660.5216621330. The cubic root of 513499242 is about 800.7800942772.

The spelling of 513499242 in words is "five hundred thirteen million, four hundred ninety-nine thousand, two hundred forty-two".