82000240225 has 6 divisors (see below), whose sum is σ = 101680297910. Its totient is φ = 65600192160.

The previous prime is 82000240207. The next prime is 82000240237. The reversal of 82000240225 is 52204200028.

It can be written as a sum of positive squares in 3 ways, for example, as 17774489041 + 64225751184 = 133321^2 + 253428^2 .

It is not a de Polignac number, because 82000240225 - 2⁷ = 82000240097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 3280009609 = 82000240225 / (8 + 2 + 0 + 0 + 0 + 2 + 4 + 0 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 82000240225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1640004780 + ... + 1640004829.

Almost surely, 2^82000240225 is an apocalyptic number.

It is an amenable number.

82000240225 is a deficient number, since it is larger than the sum of its proper divisors (19680057685).

82000240225 is a wasteful number, since it uses less digits than its factorization.

82000240225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280009619 (or 3280009614 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The spelling of 82000240225 in words is "eighty-two billion, two hundred forty thousand, two hundred twenty-five".