25259460 has 72 divisors (see below), whose sum is σ = 72616320. Its totient is φ = 6559488.

The previous prime is 25259459. The next prime is 25259461. The reversal of 25259460 is 6495252.

It is an interprime number because it is at equal distance from previous prime (25259459) and next prime (25259461).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25259461) 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 23 ways as a sum of consecutive naturals, for example, 319701 + ... + 319779.

It is an arithmetic number, because the mean of its divisors is an integer number (1008560).

Almost surely, 2^25259460 is an apocalyptic number.

25259460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25259460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36308160).

25259460 is an abundant number, since it is smaller than the sum of its proper divisors (47356860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25259460 is a wasteful number, since it uses less digits than its factorization.

25259460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 25259460 is about 5025.8790275931. The cubic root of 25259460 is about 293.4098486115.

The spelling of 25259460 in words is "twenty-five million, two hundred fifty-nine thousand, four hundred sixty".