542508 has 24 divisors (see below), whose sum is σ = 1291248. Its totient is φ = 177216.

The previous prime is 542497. The next prime is 542519. The reversal of 542508 is 805245.

It is an interprime number because it is at equal distance from previous prime (542497) and next prime (542519).

It is an unprimeable number.

542508 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210 + ... + 1062.

It is an arithmetic number, because the mean of its divisors is an integer number (53802).

2⁵⁴²⁵⁰⁸ is an apocalyptic number.

It is an amenable number.

542508 is an abundant number, since it is smaller than the sum of its proper divisors (748740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542508 is a wasteful number, since it uses less digits than its factorization.

542508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913 (or 911 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 542508 is about 736.5514238667. The cubic root of 542508 is about 81.5584034436.

The spelling of 542508 in words is "five hundred forty-two thousand, five hundred eight".