542590 has 16 divisors (see below), whose sum is σ = 1010880. Its totient is φ = 209440.

The previous prime is 542587. The next prime is 542599. The reversal of 542590 is 95245.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646 + ... + 1225.

It is an arithmetic number, because the mean of its divisors is an integer number (63180).

2⁵⁴²⁵⁹⁰ is an apocalyptic number.

542590 is a deficient number, since it is larger than the sum of its proper divisors (468290).

542590 is a wasteful number, since it uses less digits than its factorization.

542590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 542590 is about 736.6070865801. The cubic root of 542590 is about 81.5625124166.

The spelling of 542590 in words is "five hundred forty-two thousand, five hundred ninety".