25273054474 has 4 divisors (see below), whose sum is σ = 37909581714. Its totient is φ = 12636527236.

The previous prime is 25273054439. The next prime is 25273054481. The reversal of 25273054474 is 47445037252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25183468249 + 89586225 = 158693^2 + 9465^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25273054474.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6318263617 + ... + 6318263620.

Almost surely, 2^25273054474 is an apocalyptic number.

25273054474 is a deficient number, since it is larger than the sum of its proper divisors (12636527240).

25273054474 is a wasteful number, since it uses less digits than its factorization.

25273054474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12636527239.

The product of its (nonzero) digits is 940800, while the sum is 43.

The spelling of 25273054474 in words is "twenty-five billion, two hundred seventy-three million, fifty-four thousand, four hundred seventy-four".