525418534222453 has 2 divisors, whose sum is σ = 525418534222454. Its totient is φ = 525418534222452.

The previous prime is 525418534222429. The next prime is 525418534222459. The reversal of 525418534222453 is 354222435814525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 474729929736804 + 50688604485649 = 21788298^2 + 7119593^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525418534222453 is a prime.

It is a super-2 number, since 2×525418534222453² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 525418534222394 and 525418534222403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525418534222459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262709267111226 + 262709267111227.

It is an arithmetic number, because the mean of its divisors is an integer number (262709267111227).

Almost surely, 2^{525418534222453} is an apocalyptic number.

It is an amenable number.

525418534222453 is a deficient number, since it is larger than the sum of its proper divisors (1).

525418534222453 is an equidigital number, since it uses as much as digits as its factorization.

525418534222453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080000, while the sum is 55.

The spelling of 525418534222453 in words is "five hundred twenty-five trillion, four hundred eighteen billion, five hundred thirty-four million, two hundred twenty-two thousand, four hundred fifty-three".