25484399253 has 24 divisors (see below), whose sum is σ = 40419707328. Its totient is φ = 15990208704.

The previous prime is 25484399251. The next prime is 25484399327. The reversal of 25484399253 is 35299348452.

25484399253 is a `hidden beast` number, since 2 + 548 + 4 + 3 + 9 + 92 + 5 + 3 = 666.

It is not a de Polignac number, because 25484399253 - 2¹ = 25484399251 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 25484399253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25484399251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3080401 + ... + 3088662.

It is an arithmetic number, because the mean of its divisors is an integer number (1684154472).

Almost surely, 2^25484399253 is an apocalyptic number.

It is an amenable number.

25484399253 is a deficient number, since it is larger than the sum of its proper divisors (14935308075).

25484399253 is an equidigital number, since it uses as much as digits as its factorization.

25484399253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6169095 (or 6169083 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 54.

The spelling of 25484399253 in words is "twenty-five billion, four hundred eighty-four million, three hundred ninety-nine thousand, two hundred fifty-three".