517465390 has 16 divisors (see below), whose sum is σ = 1003087008. Its totient is φ = 191064096.

The previous prime is 517465349. The next prime is 517465433. The reversal of 517465390 is 93564715.

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 in 7 ways as a sum of consecutive naturals, for example, 1990122 + ... + 1990381.

It is an arithmetic number, because the mean of its divisors is an integer number (62692938).

Almost surely, 2^517465390 is an apocalyptic number.

517465390 is a deficient number, since it is larger than the sum of its proper divisors (485621618).

517465390 is a wasteful number, since it uses less digits than its factorization.

517465390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3980523.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 517465390 is about 22747.8656141626. The cubic root of 517465390 is about 802.8364883230.

The spelling of 517465390 in words is "five hundred seventeen million, four hundred sixty-five thousand, three hundred ninety".