82925225 has 6 divisors (see below), whose sum is σ = 102827310. Its totient is φ = 66340160.

The previous prime is 82925221. The next prime is 82925257. The reversal of 82925225 is 52252928.

It can be written as a sum of positive squares in 3 ways, for example, as 769129 + 82156096 = 877^2 + 9064^2 .

It is not a de Polignac number, because 82925225 - 2² = 82925221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82925221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1658480 + ... + 1658529.

It is an arithmetic number, because the mean of its divisors is an integer number (17137885).

Almost surely, 2^82925225 is an apocalyptic number.

It is an amenable number.

82925225 is a deficient number, since it is larger than the sum of its proper divisors (19902085).

82925225 is a wasteful number, since it uses less digits than its factorization.

82925225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3317019 (or 3317014 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 82925225 is about 9106.3288431728. The cubic root of 82925225 is about 436.0760342805.

The spelling of 82925225 in words is "eighty-two million, nine hundred twenty-five thousand, two hundred twenty-five".