542507 has 8 divisors (see below), whose sum is σ = 652800. Its totient is φ = 440424.

The previous prime is 542497. The next prime is 542519. The reversal of 542507 is 705245.

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

It is a cyclic number.

It is not a de Polignac number, because 542507 - 2⁸ = 542251 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 542507.

It is not an unprimeable number, because it can be changed into a prime (542537) 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, 1907 + ... + 2172.

It is an arithmetic number, because the mean of its divisors is an integer number (81600).

2⁵⁴²⁵⁰⁷ is an apocalyptic number.

542507 is a deficient number, since it is larger than the sum of its proper divisors (110293).

542507 is a wasteful number, since it uses less digits than its factorization.

542507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4105.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 542507 is about 736.5507450271. The cubic root of 542507 is about 81.5583533317.

The spelling of 542507 in words is "five hundred forty-two thousand, five hundred seven".