25258390 has 16 divisors (see below), whose sum is σ = 45572832. Its totient is φ = 10079424.

The previous prime is 25258367. The next prime is 25258399. The reversal of 25258390 is 9385252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25258399) 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 7 ways as a sum of consecutive naturals, for example, 1807 + ... + 7333.

It is an arithmetic number, because the mean of its divisors is an integer number (2848302).

Almost surely, 2^25258390 is an apocalyptic number.

25258390 is a deficient number, since it is larger than the sum of its proper divisors (20314442).

25258390 is a wasteful number, since it uses less digits than its factorization.

25258390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5991.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 25258390 is about 5025.7725774253. The cubic root of 25258390 is about 293.4057055701.

The spelling of 25258390 in words is "twenty-five million, two hundred fifty-eight thousand, three hundred ninety".