542253445597 has 2 divisors, whose sum is σ = 542253445598. Its totient is φ = 542253445596.

The previous prime is 542253445553. The next prime is 542253445637. The reversal of 542253445597 is 795544352245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 535920628356 + 6332817241 = 732066^2 + 79579^2 .

It is a cyclic number.

It is not a de Polignac number, because 542253445597 - 2³¹ = 540105961949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542253445537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271126722798 + 271126722799.

It is an arithmetic number, because the mean of its divisors is an integer number (271126722799).

Almost surely, 2^542253445597 is an apocalyptic number.

It is an amenable number.

542253445597 is a deficient number, since it is larger than the sum of its proper divisors (1).

542253445597 is an equidigital number, since it uses as much as digits as its factorization.

542253445597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240000, while the sum is 55.

The spelling of 542253445597 in words is "five hundred forty-two billion, two hundred fifty-three million, four hundred forty-five thousand, five hundred ninety-seven".