25889701 has 4 divisors (see below), whose sum is σ = 26020000. Its totient is φ = 25759404.

The previous prime is 25889693. The next prime is 25889713. The reversal of 25889701 is 10798852.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25889701 - 2³ = 25889693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25889791) 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, 64851 + ... + 65248.

It is an arithmetic number, because the mean of its divisors is an integer number (6505000).

Almost surely, 2^25889701 is an apocalyptic number.

It is an amenable number.

25889701 is a deficient number, since it is larger than the sum of its proper divisors (130299).

25889701 is a wasteful number, since it uses less digits than its factorization.

25889701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130298.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 25889701 is about 5088.1923116172. The cubic root of 25889701 is about 295.8300895146.

The spelling of 25889701 in words is "twenty-five million, eight hundred eighty-nine thousand, seven hundred one".