25090667 has 4 divisors (see below), whose sum is σ = 28675056. Its totient is φ = 21506280.

The previous prime is 25090627. The next prime is 25090669. The reversal of 25090667 is 76609052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25090667 - 2⁶ = 25090603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25090669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1792184 + ... + 1792197.

It is an arithmetic number, because the mean of its divisors is an integer number (7168764).

Almost surely, 2^25090667 is an apocalyptic number.

25090667 is a deficient number, since it is larger than the sum of its proper divisors (3584389).

25090667 is an equidigital number, since it uses as much as digits as its factorization.

25090667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3584388.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 25090667 is about 5009.0584943680. The cubic root of 25090667 is about 292.7548299125.

The spelling of 25090667 in words is "twenty-five million, ninety thousand, six hundred sixty-seven".