25810130 has 8 divisors (see below), whose sum is σ = 46458252. Its totient is φ = 10324048.

The previous prime is 25810129. The next prime is 25810159. The reversal of 25810130 is 3101852.

It can be written as a sum of positive squares in 2 ways, for example, as 25391521 + 418609 = 5039^2 + 647^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1290497 + ... + 1290516.

Almost surely, 2^25810130 is an apocalyptic number.

25810130 is a deficient number, since it is larger than the sum of its proper divisors (20648122).

25810130 is a wasteful number, since it uses less digits than its factorization.

25810130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581020.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 25810130 is about 5080.3671127193. The cubic root of 25810130 is about 295.5267043547.

Adding to 25810130 its reverse (3101852), we get a palindrome (28911982).

The spelling of 25810130 in words is "twenty-five million, eight hundred ten thousand, one hundred thirty".