25755389 has 16 divisors (see below), whose sum is σ = 29638656. Its totient is φ = 22162800.

The previous prime is 25755383. The next prime is 25755407. The reversal of 25755389 is 98355752.

It is not a de Polignac number, because 25755389 - 2⁸ = 25755133 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 (25755383) 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 15 ways as a sum of consecutive naturals, for example, 15224 + ... + 16830.

It is an arithmetic number, because the mean of its divisors is an integer number (1852416).

Almost surely, 2^25755389 is an apocalyptic number.

It is an amenable number.

25755389 is a deficient number, since it is larger than the sum of its proper divisors (3883267).

25755389 is a wasteful number, since it uses less digits than its factorization.

25755389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696.

The product of its digits is 378000, while the sum is 44.

The square root of 25755389 is about 5074.9767487152. The cubic root of 25755389 is about 295.3176278180.

The spelling of 25755389 in words is "twenty-five million, seven hundred fifty-five thousand, three hundred eighty-nine".