542432515 has 8 divisors (see below), whose sum is σ = 689208480. Its totient is φ = 408419712.

The previous prime is 542432509. The next prime is 542432521. The reversal of 542432515 is 515234245.

It is an interprime number because it is at equal distance from previous prime (542432509) and next prime (542432521).

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

It is a cyclic number.

It is not a de Polignac number, because 542432515 - 2¹⁵ = 542399747 is a prime.

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, 3190695 + ... + 3190864.

It is an arithmetic number, because the mean of its divisors is an integer number (86151060).

Almost surely, 2^542432515 is an apocalyptic number.

542432515 is a deficient number, since it is larger than the sum of its proper divisors (146775965).

542432515 is a wasteful number, since it uses less digits than its factorization.

542432515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6381581.

The product of its digits is 24000, while the sum is 31.

The square root of 542432515 is about 23290.1806562336. The cubic root of 542432515 is about 815.5462056754.

The spelling of 542432515 in words is "five hundred forty-two million, four hundred thirty-two thousand, five hundred fifteen".