25606130 has 64 divisors (see below), whose sum is σ = 54432000. Its totient is φ = 8574720.

The previous prime is 25606111. The next prime is 25606151. The reversal of 25606130 is 3160652.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25606096 and 25606105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73196 + ... + 73544.

It is an arithmetic number, because the mean of its divisors is an integer number (850500).

Almost surely, 2^25606130 is an apocalyptic number.

25606130 is an abundant number, since it is smaller than the sum of its proper divisors (28825870).

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

25606130 is a wasteful number, since it uses less digits than its factorization.

25606130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 25606130 is about 5060.2499938244. The cubic root of 25606130 is about 294.7460420900.

Adding to 25606130 its reverse (3160652), we get a palindrome (28766782).

The spelling of 25606130 in words is "twenty-five million, six hundred six thousand, one hundred thirty".