25425722752453 has 4 divisors (see below), whose sum is σ = 25425749539008. Its totient is φ = 25425695965900.

The previous prime is 25425722752379. The next prime is 25425722752471. The reversal of 25425722752453 is 35425722752452.

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 not a de Polignac number, because 25425722752453 - 2¹⁷ = 25425722621381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25425722752394 and 25425722752403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25425722792453) 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, 11915101 + ... + 13886002.

It is an arithmetic number, because the mean of its divisors is an integer number (6356437384752).

Almost surely, 2^{25425722752453} is an apocalyptic number.

It is an amenable number.

25425722752453 is a deficient number, since it is larger than the sum of its proper divisors (26786555).

25425722752453 is an equidigital number, since it uses as much as digits as its factorization.

25425722752453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26786554.

The product of its digits is 47040000, while the sum is 55.

Subtracting 25425722752453 from its reverse (35425722752452), we obtain a palindrome (9999999999999).

The spelling of 25425722752453 in words is "twenty-five trillion, four hundred twenty-five billion, seven hundred twenty-two million, seven hundred fifty-two thousand, four hundred fifty-three".