516187542 has 16 divisors (see below), whose sum is σ = 1111788720. Its totient is φ = 158826912.

The previous prime is 516187531. The next prime is 516187543. The reversal of 516187542 is 245781615.

It is a super-3 number, since 3×516187542³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 516187542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516187543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3308817 + ... + 3308972.

It is an arithmetic number, because the mean of its divisors is an integer number (69486795).

Almost surely, 2^516187542 is an apocalyptic number.

516187542 is an abundant number, since it is smaller than the sum of its proper divisors (595601178).

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

516187542 is a wasteful number, since it uses less digits than its factorization.

516187542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6617807.

The product of its digits is 67200, while the sum is 39.

The square root of 516187542 is about 22719.7610462786. The cubic root of 516187542 is about 802.1750923155.

The spelling of 516187542 in words is "five hundred sixteen million, one hundred eighty-seven thousand, five hundred forty-two".