82266025 has 6 divisors (see below), whose sum is σ = 102009902. Its totient is φ = 65812800.

The previous prime is 82266013. The next prime is 82266053. The reversal of 82266025 is 52066228.

It can be written as a sum of positive squares in 3 ways, for example, as 19079424 + 63186601 = 4368^2 + 7949^2 .

It is not a de Polignac number, because 82266025 - 2¹⁷ = 82134953 is a prime.

It is a Duffinian number.

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, 1645296 + ... + 1645345.

Almost surely, 2^82266025 is an apocalyptic number.

It is an amenable number.

82266025 is a deficient number, since it is larger than the sum of its proper divisors (19743877).

82266025 is a wasteful number, since it uses less digits than its factorization.

82266025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290651 (or 3290646 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 82266025 is about 9070.0620174285. The cubic root of 82266025 is about 434.9174547208.

The spelling of 82266025 in words is "eighty-two million, two hundred sixty-six thousand, twenty-five".