25962089 has 4 divisors (see below), whose sum is σ = 26191956. Its totient is φ = 25732224.

The previous prime is 25962059. The next prime is 25962107. The reversal of 25962089 is 98026952.

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 8880400 + 17081689 = 2980^2 + 4133^2 .

It is a cyclic number.

It is not a de Polignac number, because 25962089 - 2⁸ = 25961833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25962019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114764 + ... + 114989.

It is an arithmetic number, because the mean of its divisors is an integer number (6547989).

Almost surely, 2^25962089 is an apocalyptic number.

It is an amenable number.

25962089 is a deficient number, since it is larger than the sum of its proper divisors (229867).

25962089 is a wasteful number, since it uses less digits than its factorization.

25962089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229866.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 25962089 is about 5095.3006780758. The cubic root of 25962089 is about 296.1055480968.

The spelling of 25962089 in words is "twenty-five million, nine hundred sixty-two thousand, eighty-nine".