25473262453 has 2 divisors, whose sum is σ = 25473262454. Its totient is φ = 25473262452.

The previous prime is 25473262357. The next prime is 25473262483. The reversal of 25473262453 is 35426237452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24890426289 + 582836164 = 157767^2 + 24142^2 .

It is a cyclic number.

It is not a de Polignac number, because 25473262453 - 2²⁹ = 24936391541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25473262483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12736631226 + 12736631227.

It is an arithmetic number, because the mean of its divisors is an integer number (12736631227).

Almost surely, 2^25473262453 is an apocalyptic number.

It is an amenable number.

25473262453 is a deficient number, since it is larger than the sum of its proper divisors (1).

25473262453 is an equidigital number, since it uses as much as digits as its factorization.

25473262453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 43.

The spelling of 25473262453 in words is "twenty-five billion, four hundred seventy-three million, two hundred sixty-two thousand, four hundred fifty-three".