542263 has 2 divisors, whose sum is σ = 542264. Its totient is φ = 542262.

The previous prime is 542261. The next prime is 542281. The reversal of 542263 is 362245.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542263 - 2¹ = 542261 is a prime.

It is a super-2 number, since 2×542263² = 588098322338, which contains 22 as substring.

Together with 542261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271131 + 271132.

It is an arithmetic number, because the mean of its divisors is an integer number (271132).

2⁵⁴²²⁶³ is an apocalyptic number.

542263 is a deficient number, since it is larger than the sum of its proper divisors (1).

542263 is an equidigital number, since it uses as much as digits as its factorization.

542263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 22.

The square root of 542263 is about 736.3850894743. The cubic root of 542263 is about 81.5461241669.

The spelling of 542263 in words is "five hundred forty-two thousand, two hundred sixty-three".