25260006 has 32 divisors (see below), whose sum is σ = 54426240. Its totient is φ = 7789824.

The previous prime is 25259989. The next prime is 25260007. The reversal of 25260006 is 60006252.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 2326 + ... + 7478.

It is an arithmetic number, because the mean of its divisors is an integer number (1700820).

Almost surely, 2^25260006 is an apocalyptic number.

25260006 is an abundant number, since it is smaller than the sum of its proper divisors (29166234).

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

25260006 is a wasteful number, since it uses less digits than its factorization.

25260006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5220.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 25260006 is about 5025.9333461557. The cubic root of 25260006 is about 293.4119626792.

Adding to 25260006 its reverse (60006252), we get a palindrome (85266258).

The spelling of 25260006 in words is "twenty-five million, two hundred sixty thousand, six".