25167089 has 4 divisors (see below), whose sum is σ = 26647524. Its totient is φ = 23686656.

The previous prime is 25167073. The next prime is 25167091. The reversal of 25167089 is 98076152.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18318400 + 6848689 = 4280^2 + 2617^2 .

It is a cyclic number.

It is not a de Polignac number, because 25167089 - 2⁴ = 25167073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25167049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740192 + ... + 740225.

It is an arithmetic number, because the mean of its divisors is an integer number (6661881).

Almost surely, 2^25167089 is an apocalyptic number.

It is an amenable number.

25167089 is a deficient number, since it is larger than the sum of its proper divisors (1480435).

25167089 is a wasteful number, since it uses less digits than its factorization.

25167089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480434.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 25167089 is about 5016.6810741764. The cubic root of 25167089 is about 293.0517561660.

The spelling of 25167089 in words is "twenty-five million, one hundred sixty-seven thousand, eighty-nine".