25282756628 has 6 divisors (see below), whose sum is σ = 44244824106. Its totient is φ = 12641378312.

The previous prime is 25282756571. The next prime is 25282756633. The reversal of 25282756628 is 82665728252.

It can be written as a sum of positive squares in only one way, i.e., 24737627524 + 545129104 = 157282^2 + 23348^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25282756628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3160344575 + ... + 3160344582.

It is an arithmetic number, because the mean of its divisors is an integer number (7374137351).

Almost surely, 2^25282756628 is an apocalyptic number.

It is an amenable number.

25282756628 is a deficient number, since it is larger than the sum of its proper divisors (18962067478).

25282756628 is a wasteful number, since it uses less digits than its factorization.

25282756628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6320689161 (or 6320689159 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 53.

The spelling of 25282756628 in words is "twenty-five billion, two hundred eighty-two million, seven hundred fifty-six thousand, six hundred twenty-eight".