25252291982 has 8 divisors (see below), whose sum is σ = 37881015336. Its totient is φ = 12625286872.

The previous prime is 25252291877. The next prime is 25252292017. The reversal of 25252291982 is 28919225252.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392168 + ... + 451995.

It is an arithmetic number, because the mean of its divisors is an integer number (4735126917).

Almost surely, 2^25252291982 is an apocalyptic number.

25252291982 is a deficient number, since it is larger than the sum of its proper divisors (12628723354).

25252291982 is a wasteful number, since it uses less digits than its factorization.

25252291982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859122.

The product of its digits is 518400, while the sum is 47.

The spelling of 25252291982 in words is "twenty-five billion, two hundred fifty-two million, two hundred ninety-one thousand, nine hundred eighty-two".