542340515 has 8 divisors (see below), whose sum is σ = 651256368. Its totient is φ = 433573920.

The previous prime is 542340493. The next prime is 542340523. The reversal of 542340515 is 515043245.

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

It is not a de Polignac number, because 542340515 - 2¹² = 542336419 is a prime.

It is a Duffinian number.

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, 29156 + ... + 43985.

It is an arithmetic number, because the mean of its divisors is an integer number (81407046).

Almost surely, 2^542340515 is an apocalyptic number.

542340515 is a deficient number, since it is larger than the sum of its proper divisors (108915853).

542340515 is a wasteful number, since it uses less digits than its factorization.

542340515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74629.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 542340515 is about 23288.2054911923. The cubic root of 542340515 is about 815.5000957962.

The spelling of 542340515 in words is "five hundred forty-two million, three hundred forty thousand, five hundred fifteen".