25774250983 has 4 divisors (see below), whose sum is σ = 27756885688. Its totient is φ = 23791616280.

The previous prime is 25774250977. The next prime is 25774251001. The reversal of 25774250983 is 38905247752.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 25774250983 - 2⁹ = 25774250471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25774250983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25774250483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 991317333 + ... + 991317358.

It is an arithmetic number, because the mean of its divisors is an integer number (6939221422).

Almost surely, 2^25774250983 is an apocalyptic number.

25774250983 is a deficient number, since it is larger than the sum of its proper divisors (1982634705).

25774250983 is a wasteful number, since it uses less digits than its factorization.

25774250983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982634704.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 25774250983 in words is "twenty-five billion, seven hundred seventy-four million, two hundred fifty thousand, nine hundred eighty-three".