25261267282 has 4 divisors (see below), whose sum is σ = 37891900926. Its totient is φ = 12630633640.

The previous prime is 25261267271. The next prime is 25261267289. The reversal of 25261267282 is 28276216252.

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., 14065722801 + 11195544481 = 118599^2 + 105809^2 .

It is not an unprimeable number, because it can be changed into a prime (25261267289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6315316819 + ... + 6315316822.

Almost surely, 2^25261267282 is an apocalyptic number.

25261267282 is a deficient number, since it is larger than the sum of its proper divisors (12630633644).

25261267282 is a wasteful number, since it uses less digits than its factorization.

25261267282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12630633643.

The product of its digits is 322560, while the sum is 43.

The spelling of 25261267282 in words is "twenty-five billion, two hundred sixty-one million, two hundred sixty-seven thousand, two hundred eighty-two".