542372615 has 4 divisors (see below), whose sum is σ = 650847144. Its totient is φ = 433898088.

The previous prime is 542372609. The next prime is 542372629. The reversal of 542372615 is 516273245.

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 542372615 - 2¹⁰ = 542371591 is a prime.

It is a Duffinian number.

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, 54237257 + ... + 54237266.

It is an arithmetic number, because the mean of its divisors is an integer number (162711786).

Almost surely, 2^542372615 is an apocalyptic number.

542372615 is a deficient number, since it is larger than the sum of its proper divisors (108474529).

542372615 is a wasteful number, since it uses less digits than its factorization.

542372615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108474528.

The product of its digits is 50400, while the sum is 35.

The square root of 542372615 is about 23288.8946710659. The cubic root of 542372615 is about 815.5161847267.

The spelling of 542372615 in words is "five hundred forty-two million, three hundred seventy-two thousand, six hundred fifteen".