517422428 has 6 divisors (see below), whose sum is σ = 905489256. Its totient is φ = 258711212.

The previous prime is 517422371. The next prime is 517422439. The reversal of 517422428 is 824224715.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64677800 + ... + 64677807.

It is an arithmetic number, because the mean of its divisors is an integer number (150914876).

Almost surely, 2^517422428 is an apocalyptic number.

It is an amenable number.

517422428 is a deficient number, since it is larger than the sum of its proper divisors (388066828).

517422428 is a wasteful number, since it uses less digits than its factorization.

517422428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129355611 (or 129355609 counting only the distinct ones).

The product of its digits is 35840, while the sum is 35.

The square root of 517422428 is about 22746.9212861873. The cubic root of 517422428 is about 802.8142695000.

The spelling of 517422428 in words is "five hundred seventeen million, four hundred twenty-two thousand, four hundred twenty-eight".