542972 has 6 divisors (see below), whose sum is σ = 950208. Its totient is φ = 271484.

The previous prime is 542951. The next prime is 542981. The reversal of 542972 is 279245.

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67868 + ... + 67875.

It is an arithmetic number, because the mean of its divisors is an integer number (158368).

2⁵⁴²⁹⁷² is an apocalyptic number.

It is an amenable number.

542972 is a deficient number, since it is larger than the sum of its proper divisors (407236).

542972 is a wasteful number, since it uses less digits than its factorization.

542972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135747 (or 135745 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 542972 is about 736.8663379474. The cubic root of 542972 is about 81.5816487632.

The spelling of 542972 in words is "five hundred forty-two thousand, nine hundred seventy-two".