542252147 has 2 divisors, whose sum is σ = 542252148. Its totient is φ = 542252146.

The previous prime is 542252089. The next prime is 542252149. The reversal of 542252147 is 741252245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542252147 - 2¹⁶ = 542186611 is a prime.

It is a super-2 number, since 2×542252147² = 588074781852219218, which contains 22 as substring.

Together with 542252149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (542252149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271126073 + 271126074.

It is an arithmetic number, because the mean of its divisors is an integer number (271126074).

Almost surely, 2^542252147 is an apocalyptic number.

542252147 is a deficient number, since it is larger than the sum of its proper divisors (1).

542252147 is an equidigital number, since it uses as much as digits as its factorization.

542252147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22400, while the sum is 32.

The square root of 542252147 is about 23286.3081444870. The cubic root of 542252147 is about 815.4558013448.

The spelling of 542252147 in words is "five hundred forty-two million, two hundred fifty-two thousand, one hundred forty-seven".