516934487 has 4 divisors (see below), whose sum is σ = 547342416. Its totient is φ = 486526560.

The previous prime is 516934477. The next prime is 516934489. The reversal of 516934487 is 784439615.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 516934487 - 2⁶ = 516934423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516934489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15203939 + ... + 15203972.

It is an arithmetic number, because the mean of its divisors is an integer number (136835604).

Almost surely, 2^516934487 is an apocalyptic number.

516934487 is a deficient number, since it is larger than the sum of its proper divisors (30407929).

516934487 is a wasteful number, since it uses less digits than its factorization.

516934487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30407928.

The product of its digits is 725760, while the sum is 47.

The square root of 516934487 is about 22736.1933269402. The cubic root of 516934487 is about 802.5618328213.

The spelling of 516934487 in words is "five hundred sixteen million, nine hundred thirty-four thousand, four hundred eighty-seven".