13542253425 has 36 divisors (see below), whose sum is σ = 24262110444. Its totient is φ = 7220620800.

The previous prime is 13542253423. The next prime is 13542253427. The reversal of 13542253425 is 52435224531.

13542253425 is a `hidden beast` number, since 1 + 3 + 5 + 4 + 225 + 3 + 425 = 666.

It is an interprime number because it is at equal distance from previous prime (13542253423) and next prime (13542253427).

It can be written as a sum of positive squares in 6 ways, for example, as 1607127921 + 11935125504 = 40089^2 + 109248^2 .

It is not a de Polignac number, because 13542253425 - 2¹ = 13542253423 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13542253425.

It is not an unprimeable number, because it can be changed into a prime (13542253423) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1372309 + ... + 1382141.

Almost surely, 2^13542253425 is an apocalyptic number.

13542253425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13542253425 is a deficient number, since it is larger than the sum of its proper divisors (10719857019).

13542253425 is a wasteful number, since it uses less digits than its factorization.

13542253425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15970 (or 15962 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

Adding to 13542253425 its reverse (52435224531), we get a palindrome (65977477956).

The spelling of 13542253425 in words is "thirteen billion, five hundred forty-two million, two hundred fifty-three thousand, four hundred twenty-five".