542293 has 2 divisors, whose sum is σ = 542294. Its totient is φ = 542292.

The previous prime is 542281. The next prime is 542299. The reversal of 542293 is 392245.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 380689 + 161604 = 617^2 + 402^2 .

It is a cyclic number.

It is not a de Polignac number, because 542293 - 2⁵ = 542261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271146 + 271147.

It is an arithmetic number, because the mean of its divisors is an integer number (271147).

2⁵⁴²²⁹³ is an apocalyptic number.

It is an amenable number.

542293 is a deficient number, since it is larger than the sum of its proper divisors (1).

542293 is an equidigital number, since it uses as much as digits as its factorization.

542293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 542293 is about 736.4054589694. The cubic root of 542293 is about 81.5476279505.

The spelling of 542293 in words is "five hundred forty-two thousand, two hundred ninety-three".