13525242431 has 2 divisors, whose sum is σ = 13525242432. Its totient is φ = 13525242430.

The previous prime is 13525242413. The next prime is 13525242469. The reversal of 13525242431 is 13424252531.

Together with previous prime (13525242413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13525242431 - 2¹⁰ = 13525241407 is a prime.

It is a super-2 number, since 2×13525242431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13525242481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6762621215 + 6762621216.

It is an arithmetic number, because the mean of its divisors is an integer number (6762621216).

Almost surely, 2^13525242431 is an apocalyptic number.

13525242431 is a deficient number, since it is larger than the sum of its proper divisors (1).

13525242431 is an equidigital number, since it uses as much as digits as its factorization.

13525242431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 32.

Adding to 13525242431 its reverse (13424252531), we get a palindrome (26949494962).

The spelling of 13525242431 in words is "thirteen billion, five hundred twenty-five million, two hundred forty-two thousand, four hundred thirty-one".