516403506 has 16 divisors (see below), whose sum is σ = 1043034048. Its totient is φ = 170430000.

The previous prime is 516403499. The next prime is 516403571. The reversal of 516403506 is 605304615.

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, 425470 + ... + 426681.

It is an arithmetic number, because the mean of its divisors is an integer number (65189628).

Almost surely, 2^516403506 is an apocalyptic number.

516403506 is an abundant number, since it is smaller than the sum of its proper divisors (526630542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

516403506 is a wasteful number, since it uses less digits than its factorization.

516403506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852257.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 516403506 is about 22724.5133281221. The cubic root of 516403506 is about 802.2869488100.

The spelling of 516403506 in words is "five hundred sixteen million, four hundred three thousand, five hundred six".