517042430 has 16 divisors (see below), whose sum is σ = 934388784. Its totient is φ = 205992000.

The previous prime is 517042411. The next prime is 517042447. The reversal of 517042430 is 34240715.

It is a self number, because there is not a number n which added to its sum of digits gives 517042430.

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, 100487 + ... + 105506.

It is an arithmetic number, because the mean of its divisors is an integer number (58399299).

Almost surely, 2^517042430 is an apocalyptic number.

517042430 is a deficient number, since it is larger than the sum of its proper divisors (417346354).

517042430 is a wasteful number, since it uses less digits than its factorization.

517042430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206251.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 517042430 is about 22738.5670172946. The cubic root of 517042430 is about 802.6176909006.

The spelling of 517042430 in words is "five hundred seventeen million, forty-two thousand, four hundred thirty".