542915 has 8 divisors (see below), whose sum is σ = 679968. Its totient is φ = 415360.

The previous prime is 542911. The next prime is 542921. The reversal of 542915 is 519245.

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

It is not a de Polignac number, because 542915 - 2² = 542911 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (542911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2246 + ... + 2475.

It is an arithmetic number, because the mean of its divisors is an integer number (84996).

2⁵⁴²⁹¹⁵ is an apocalyptic number.

542915 is a deficient number, since it is larger than the sum of its proper divisors (137053).

542915 is a wasteful number, since it uses less digits than its factorization.

542915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4749.

The product of its digits is 1800, while the sum is 26.

The square root of 542915 is about 736.8276596328. The cubic root of 542915 is about 81.5787939096.

The spelling of 542915 in words is "five hundred forty-two thousand, nine hundred fifteen".