542907 has 12 divisors (see below), whose sum is σ = 790920. Its totient is φ = 358848.

The previous prime is 542891. The next prime is 542911. The reversal of 542907 is 709245.

It is not a de Polignac number, because 542907 - 2⁴ = 542891 is a prime.

It is an Ulam number.

542907 is a lucky number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1443 + ... + 1779.

It is an arithmetic number, because the mean of its divisors is an integer number (65910).

2⁵⁴²⁹⁰⁷ is an apocalyptic number.

542907 is a deficient number, since it is larger than the sum of its proper divisors (248013).

542907 is a wasteful number, since it uses less digits than its factorization.

542907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 542907 is about 736.8222309350. The cubic root of 542907 is about 81.5783932124.

The spelling of 542907 in words is "five hundred forty-two thousand, nine hundred seven".