25665082 has 4 divisors (see below), whose sum is σ = 38497626. Its totient is φ = 12832540.

The previous prime is 25665077. The next prime is 25665089. The reversal of 25665082 is 28056652.

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., 25190361 + 474721 = 5019^2 + 689^2 .

It is not an unprimeable number, because it can be changed into a prime (25665089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6416269 + ... + 6416272.

Almost surely, 2^25665082 is an apocalyptic number.

25665082 is a deficient number, since it is larger than the sum of its proper divisors (12832544).

25665082 is a wasteful number, since it uses less digits than its factorization.

25665082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12832543.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 25665082 is about 5066.0716536583. The cubic root of 25665082 is about 294.9720628528.

The spelling of 25665082 in words is "twenty-five million, six hundred sixty-five thousand, eighty-two".