516620542 has 8 divisors (see below), whose sum is σ = 782040600. Its totient is φ = 255940344.

The previous prime is 516620509. The next prime is 516620557. The reversal of 516620542 is 245026615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1184692 + ... + 1185127.

It is an arithmetic number, because the mean of its divisors is an integer number (97755075).

Almost surely, 2^516620542 is an apocalyptic number.

516620542 is a deficient number, since it is larger than the sum of its proper divisors (265420058).

516620542 is a wasteful number, since it uses less digits than its factorization.

516620542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369930.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 516620542 is about 22729.2881982697. The cubic root of 516620542 is about 802.3993291224.

The spelling of 516620542 in words is "five hundred sixteen million, six hundred twenty thousand, five hundred forty-two".