25632824453 has 2 divisors, whose sum is σ = 25632824454. Its totient is φ = 25632824452.

The previous prime is 25632824447. The next prime is 25632824479. The reversal of 25632824453 is 35442823652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13426552129 + 12206272324 = 115873^2 + 110482^2 .

It is a cyclic number.

It is not a de Polignac number, because 25632824453 - 2⁶ = 25632824389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25632824753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12816412226 + 12816412227.

It is an arithmetic number, because the mean of its divisors is an integer number (12816412227).

Almost surely, 2^25632824453 is an apocalyptic number.

It is an amenable number.

25632824453 is a deficient number, since it is larger than the sum of its proper divisors (1).

25632824453 is an equidigital number, since it uses as much as digits as its factorization.

25632824453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1382400, while the sum is 44.

The spelling of 25632824453 in words is "twenty-five billion, six hundred thirty-two million, eight hundred twenty-four thousand, four hundred fifty-three".