542969 has 8 divisors (see below), whose sum is σ = 633600. Its totient is φ = 465108.

The previous prime is 542951. The next prime is 542981. The reversal of 542969 is 969245.

It is not a de Polignac number, because 542969 - 2⁸ = 542713 is a prime.

It is a super-2 number, since 2×542969² = 589630669922, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (542939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449 + ... + 1134.

It is an arithmetic number, because the mean of its divisors is an integer number (79200).

2⁵⁴²⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

542969 is a deficient number, since it is larger than the sum of its proper divisors (90631).

542969 is an equidigital number, since it uses as much as digits as its factorization.

542969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604 (or 1590 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 542969 is about 736.8643022972. The cubic root of 542969 is about 81.5814985127.

The spelling of 542969 in words is "five hundred forty-two thousand, nine hundred sixty-nine".