513370942 has 48 divisors (see below), whose sum is σ = 920740608. Its totient is φ = 213949680.

The previous prime is 513370933. The next prime is 513370999. The reversal of 513370942 is 249073315.

It is a junction number, because it is equal to n+sod(n) for n = 513370898 and 513370907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1045317 + ... + 1045807.

It is an arithmetic number, because the mean of its divisors is an integer number (19182096).

Almost surely, 2^513370942 is an apocalyptic number.

513370942 is a deficient number, since it is larger than the sum of its proper divisors (407369666).

513370942 is a wasteful number, since it uses less digits than its factorization.

513370942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781 (or 774 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 513370942 is about 22657.6905707532. The cubic root of 513370942 is about 800.7133959354.

The spelling of 513370942 in words is "five hundred thirteen million, three hundred seventy thousand, nine hundred forty-two".