542093 has 2 divisors, whose sum is σ = 542094. Its totient is φ = 542092.

The previous prime is 542083. The next prime is 542111. The reversal of 542093 is 390245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 515524 + 26569 = 718^2 + 163^2 .

It is a cyclic number.

It is not a de Polignac number, because 542093 - 2⁸ = 541837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271046 + 271047.

It is an arithmetic number, because the mean of its divisors is an integer number (271047).

2⁵⁴²⁰⁹³ is an apocalyptic number.

It is an amenable number.

542093 is a deficient number, since it is larger than the sum of its proper divisors (1).

542093 is an equidigital number, since it uses as much as digits as its factorization.

542093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 542093 is about 736.2696516902. The cubic root of 542093 is about 81.5376016787.

The spelling of 542093 in words is "five hundred forty-two thousand, ninety-three".