542422787 has 2 divisors, whose sum is σ = 542422788. Its totient is φ = 542422786.

The previous prime is 542422781. The next prime is 542422789. The reversal of 542422787 is 787224245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542422787 - 2¹² = 542418691 is a prime.

Together with 542422789, 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 (542422781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271211393 + 271211394.

It is an arithmetic number, because the mean of its divisors is an integer number (271211394).

Almost surely, 2^542422787 is an apocalyptic number.

542422787 is a deficient number, since it is larger than the sum of its proper divisors (1).

542422787 is an equidigital number, since it uses as much as digits as its factorization.

542422787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 250880, while the sum is 41.

The square root of 542422787 is about 23289.9718119194. The cubic root of 542422787 is about 815.5413303034.

The spelling of 542422787 in words is "five hundred forty-two million, four hundred twenty-two thousand, seven hundred eighty-seven".