542115 has 24 divisors (see below), whose sum is σ = 1074528. Its totient is φ = 247680.

The previous prime is 542111. The next prime is 542117. The reversal of 542115 is 511245.

It is not a de Polignac number, because 542115 - 2² = 542111 is a prime.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (542111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 546 + ... + 1175.

It is an arithmetic number, because the mean of its divisors is an integer number (44772).

2⁵⁴²¹¹⁵ is an apocalyptic number.

542115 is a deficient number, since it is larger than the sum of its proper divisors (532413).

542115 is a wasteful number, since it uses less digits than its factorization.

542115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739 (or 1736 counting only the distinct ones).

The product of its digits is 200, while the sum is 18.

The square root of 542115 is about 736.2845917171. The cubic root of 542115 is about 81.5387046893.

The spelling of 542115 in words is "five hundred forty-two thousand, one hundred fifteen".