542433761 has 2 divisors, whose sum is σ = 542433762. Its totient is φ = 542433760.

The previous prime is 542433737. The next prime is 542433763. The reversal of 542433761 is 167334245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 489958225 + 52475536 = 22135^2 + 7244^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542433761 is a prime.

Together with 542433763, 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 (542433763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271216880 + 271216881.

It is an arithmetic number, because the mean of its divisors is an integer number (271216881).

Almost surely, 2^542433761 is an apocalyptic number.

It is an amenable number.

542433761 is a deficient number, since it is larger than the sum of its proper divisors (1).

542433761 is an equidigital number, since it uses as much as digits as its factorization.

542433761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 35.

The square root of 542433761 is about 23290.2074056888. The cubic root of 542433761 is about 815.5468301277.

The spelling of 542433761 in words is "five hundred forty-two million, four hundred thirty-three thousand, seven hundred sixty-one".