542030441521 has 2 divisors, whose sum is σ = 542030441522. Its totient is φ = 542030441520.

The previous prime is 542030441509. The next prime is 542030441569. The reversal of 542030441521 is 125144030245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 353591972496 + 188438469025 = 594636^2 + 434095^2 .

It is a cyclic number.

It is not a de Polignac number, because 542030441521 - 2³⁵ = 507670703153 is a prime.

It is not a weakly prime, because it can be changed into another prime (542030448521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271015220760 + 271015220761.

It is an arithmetic number, because the mean of its divisors is an integer number (271015220761).

Almost surely, 2^542030441521 is an apocalyptic number.

It is an amenable number.

542030441521 is a deficient number, since it is larger than the sum of its proper divisors (1).

542030441521 is an equidigital number, since it uses as much as digits as its factorization.

542030441521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 542030441521 its reverse (125144030245), we get a palindrome (667174471766).

The spelling of 542030441521 in words is "five hundred forty-two billion, thirty million, four hundred forty-one thousand, five hundred twenty-one".