25260000 has 120 divisors (see below), whose sum is σ = 83054664. Its totient is φ = 6720000.

The previous prime is 25259989. The next prime is 25260007. The reversal of 25260000 is 6252.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25260007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59790 + ... + 60210.

Almost surely, 2^25260000 is an apocalyptic number.

25260000 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 25260000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41527332).

25260000 is an abundant number, since it is smaller than the sum of its proper divisors (57794664).

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

25260000 is an equidigital number, since it uses as much as digits as its factorization.

25260000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 25260000 is about 5025.9327492516. The cubic root of 25260000 is about 293.4119394478.

Adding to 25260000 its reverse (6252), we get a palindrome (25266252).

The spelling of 25260000 in words is "twenty-five million, two hundred sixty thousand".