542308 has 12 divisors (see below), whose sum is σ = 1022140. Its totient is φ = 250272.

The previous prime is 542299. The next prime is 542323. The reversal of 542308 is 803245.

It can be written as a sum of positive squares in 2 ways, for example, as 350464 + 191844 = 592^2 + 438^2 .

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

542308 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5163 + ... + 5266.

2⁵⁴²³⁰⁸ is an apocalyptic number.

It is an amenable number.

542308 is a deficient number, since it is larger than the sum of its proper divisors (479832).

542308 is a wasteful number, since it uses less digits than its factorization.

542308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10446 (or 10444 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 542308 is about 736.4156435058. The cubic root of 542308 is about 81.5483798215.

The spelling of 542308 in words is "five hundred forty-two thousand, three hundred eight".