25252133415445 has 4 divisors (see below), whose sum is σ = 30302560098540. Its totient is φ = 20201706732352.

The previous prime is 25252133415401. The next prime is 25252133415463. The reversal of 25252133415445 is 54451433125252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12646857162564 + 12605276252881 = 3556242^2 + 3550391^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25252133415445 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25252133415395 and 25252133415404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525213341540 + ... + 2525213341549.

It is an arithmetic number, because the mean of its divisors is an integer number (7575640024635).

Almost surely, 2^{25252133415445} is an apocalyptic number.

It is an amenable number.

25252133415445 is a deficient number, since it is larger than the sum of its proper divisors (5050426683095).

25252133415445 is an equidigital number, since it uses as much as digits as its factorization.

25252133415445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050426683094.

The product of its digits is 2880000, while the sum is 46.

The spelling of 25252133415445 in words is "twenty-five trillion, two hundred fifty-two billion, one hundred thirty-three million, four hundred fifteen thousand, four hundred forty-five".