542504569 has 2 divisors, whose sum is σ = 542504570. Its totient is φ = 542504568.

The previous prime is 542504531. The next prime is 542504591. The reversal of 542504569 is 965405245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 492307344 + 50197225 = 22188^2 + 7085^2 .

It is a cyclic number.

It is not a de Polignac number, because 542504569 - 2⁹ = 542504057 is a prime.

It is a super-2 number, since 2×542504569² = 588622414771751522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (542504509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271252284 + 271252285.

It is an arithmetic number, because the mean of its divisors is an integer number (271252285).

Almost surely, 2^542504569 is an apocalyptic number.

It is an amenable number.

542504569 is a deficient number, since it is larger than the sum of its proper divisors (1).

542504569 is an equidigital number, since it uses as much as digits as its factorization.

542504569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 542504569 is about 23291.7274799445. The cubic root of 542504569 is about 815.5823150917.

The spelling of 542504569 in words is "five hundred forty-two million, five hundred four thousand, five hundred sixty-nine".