542444501 has 2 divisors, whose sum is σ = 542444502. Its totient is φ = 542444500.

The previous prime is 542444491. The next prime is 542444521. The reversal of 542444501 is 105444245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 533148100 + 9296401 = 23090^2 + 3049^2 .

It is a cyclic number.

It is not a de Polignac number, because 542444501 - 2¹⁸ = 542182357 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542444521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271222250 + 271222251.

It is an arithmetic number, because the mean of its divisors is an integer number (271222251).

Almost surely, 2^542444501 is an apocalyptic number.

It is an amenable number.

542444501 is a deficient number, since it is larger than the sum of its proper divisors (1).

542444501 is an equidigital number, since it uses as much as digits as its factorization.

542444501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 542444501 is about 23290.4379735547. The cubic root of 542444501 is about 815.5522126068.

Adding to 542444501 its reverse (105444245), we get a palindrome (647888746).

The spelling of 542444501 in words is "five hundred forty-two million, four hundred forty-four thousand, five hundred one".