513855742 has 16 divisors (see below), whose sum is σ = 808752672. Its totient is φ = 244395360.

The previous prime is 513855649. The next prime is 513855761. The reversal of 513855742 is 247558315.

It is a junction number, because it is equal to n+sod(n) for n = 513855695 and 513855704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22533 + ... + 39184.

It is an arithmetic number, because the mean of its divisors is an integer number (50547042).

Almost surely, 2^513855742 is an apocalyptic number.

513855742 is a deficient number, since it is larger than the sum of its proper divisors (294896930).

513855742 is a wasteful number, since it uses less digits than its factorization.

513855742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61923.

The product of its digits is 168000, while the sum is 40.

The square root of 513855742 is about 22668.3864004477. The cubic root of 513855742 is about 800.9653669065.

The spelling of 513855742 in words is "five hundred thirteen million, eight hundred fifty-five thousand, seven hundred forty-two".