25425252453 has 8 divisors (see below), whose sum is σ = 33901200000. Its totient is φ = 16949736608.

The previous prime is 25425252451. The next prime is 25425252533. The reversal of 25425252453 is 35425252452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25425252453 - 2¹ = 25425252451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25425252451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72673 + ... + 236921.

It is an arithmetic number, because the mean of its divisors is an integer number (4237650000).

Almost surely, 2^25425252453 is an apocalyptic number.

It is an amenable number.

25425252453 is a deficient number, since it is larger than the sum of its proper divisors (8475947547).

25425252453 is a wasteful number, since it uses less digits than its factorization.

25425252453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215851.

The product of its digits is 480000, while the sum is 39.

Subtracting 25425252453 from its reverse (35425252452), we obtain a palindrome (9999999999).

The spelling of 25425252453 in words is "twenty-five billion, four hundred twenty-five million, two hundred fifty-two thousand, four hundred fifty-three".