542315 has 4 divisors (see below), whose sum is σ = 650784. Its totient is φ = 433848.

The previous prime is 542299. The next prime is 542323. The reversal of 542315 is 513245.

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 542315 - 2⁴ = 542299 is a prime.

It is a Duffinian 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, 54227 + ... + 54236.

It is an arithmetic number, because the mean of its divisors is an integer number (162696).

2⁵⁴²³¹⁵ is an apocalyptic number.

542315 is a deficient number, since it is larger than the sum of its proper divisors (108469).

542315 is a wasteful number, since it uses less digits than its factorization.

542315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108468.

The product of its digits is 600, while the sum is 20.

The square root of 542315 is about 736.4203962412. The cubic root of 542315 is about 81.5487306899.

It can be divided in two parts, 5 and 42315, that multiplied together give a triangular number (211575 = T₆₅₀).

The spelling of 542315 in words is "five hundred forty-two thousand, three hundred fifteen".