25245113340253 has 4 divisors (see below), whose sum is σ = 25248199925440. Its totient is φ = 25242026755068.

The previous prime is 25245113340203. The next prime is 25245113340259. The reversal of 25245113340253 is 35204331154252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25245113340253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25245113340259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1543280325 + ... + 1543296682.

It is an arithmetic number, because the mean of its divisors is an integer number (6312049981360).

Almost surely, 2^{25245113340253} is an apocalyptic number.

It is an amenable number.

25245113340253 is a deficient number, since it is larger than the sum of its proper divisors (3086585187).

25245113340253 is an equidigital number, since it uses as much as digits as its factorization.

25245113340253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3086585186.

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 25245113340253 in words is "twenty-five trillion, two hundred forty-five billion, one hundred thirteen million, three hundred forty thousand, two hundred fifty-three".