517234442 has 16 divisors (see below), whose sum is σ = 835702272. Its totient is φ = 239392560.

The previous prime is 517234427. The next prime is 517234453. The reversal of 517234442 is 244432715.

It is a junction number, because it is equal to n+sod(n) for n = 517234399 and 517234408.

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, 179933 + ... + 182784.

It is an arithmetic number, because the mean of its divisors is an integer number (52231392).

Almost surely, 2^517234442 is an apocalyptic number.

517234442 is a deficient number, since it is larger than the sum of its proper divisors (318467830).

517234442 is a wasteful number, since it uses less digits than its factorization.

517234442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362773.

The product of its digits is 26880, while the sum is 32.

The square root of 517234442 is about 22742.7887911751. The cubic root of 517234442 is about 802.7170335888.

It can be divided in two parts, 51723 and 4442, that added together give a palindrome (56165).

The spelling of 517234442 in words is "five hundred seventeen million, two hundred thirty-four thousand, four hundred forty-two".