25801088 has 48 divisors (see below), whose sum is σ = 54636300. Its totient is φ = 12102912.

The previous prime is 25801081. The next prime is 25801103. The reversal of 25801088 is 88010852.

It is a super-2 number, since 2×25801088² = 1331392283967488, which contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25801081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 250445 + ... + 250547.

Almost surely, 2^25801088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25801088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27318150).

25801088 is an abundant number, since it is smaller than the sum of its proper divisors (28835212).

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

25801088 is an equidigital number, since it uses as much as digits as its factorization.

25801088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 25801088 is about 5079.4771384464. The cubic root of 25801088 is about 295.4921899404.

The spelling of 25801088 in words is "twenty-five million, eight hundred one thousand, eighty-eight".