542625341653 has 2 divisors, whose sum is σ = 542625341654. Its totient is φ = 542625341652.

The previous prime is 542625341647. The next prime is 542625341717. The reversal of 542625341653 is 356143526245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 437935562289 + 104689779364 = 661767^2 + 323558^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542625341653 is a prime.

It is a super-2 number, since 2×542625341653² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542625341623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271312670826 + 271312670827.

It is an arithmetic number, because the mean of its divisors is an integer number (271312670827).

Almost surely, 2^542625341653 is an apocalyptic number.

It is an amenable number.

542625341653 is a deficient number, since it is larger than the sum of its proper divisors (1).

542625341653 is an equidigital number, since it uses as much as digits as its factorization.

542625341653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592000, while the sum is 46.

Adding to 542625341653 its reverse (356143526245), we get a palindrome (898768867898).

The spelling of 542625341653 in words is "five hundred forty-two billion, six hundred twenty-five million, three hundred forty-one thousand, six hundred fifty-three".