25389385 has 16 divisors (see below), whose sum is σ = 35479296. Its totient is φ = 17080128.

The previous prime is 25389383. The next prime is 25389391. The reversal of 25389385 is 58398352.

It is a cyclic number.

It is not a de Polignac number, because 25389385 - 2¹ = 25389383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25389383) 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 15 ways as a sum of consecutive naturals, for example, 4989 + ... + 8698.

It is an arithmetic number, because the mean of its divisors is an integer number (2217456).

Almost surely, 2^25389385 is an apocalyptic number.

It is an amenable number.

25389385 is a deficient number, since it is larger than the sum of its proper divisors (10089911).

25389385 is a wasteful number, since it uses less digits than its factorization.

25389385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13752.

The product of its digits is 259200, while the sum is 43.

The square root of 25389385 is about 5038.7880487276. The cubic root of 25389385 is about 293.9120512226.

The spelling of 25389385 in words is "twenty-five million, three hundred eighty-nine thousand, three hundred eighty-five".