516535782 has 32 divisors (see below), whose sum is σ = 1185575424. Its totient is φ = 146966400.

The previous prime is 516535757. The next prime is 516535783. The reversal of 516535782 is 287535615.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516535783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15394 + ... + 35637.

It is an arithmetic number, because the mean of its divisors is an integer number (37049232).

Almost surely, 2^516535782 is an apocalyptic number.

516535782 is an abundant number, since it is smaller than the sum of its proper divisors (669039642).

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

516535782 is a wasteful number, since it uses less digits than its factorization.

516535782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51284.

The product of its digits is 252000, while the sum is 42.

The square root of 516535782 is about 22727.4235671358. The cubic root of 516535782 is about 802.3554445034.

The spelling of 516535782 in words is "five hundred sixteen million, five hundred thirty-five thousand, seven hundred eighty-two".