25525130 has 8 divisors (see below), whose sum is σ = 45945252. Its totient is φ = 10210048.

The previous prime is 25525127. The next prime is 25525223. The reversal of 25525130 is 3152552.

It can be written as a sum of positive squares in 2 ways, for example, as 22061809 + 3463321 = 4697^2 + 1861^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 25525096 and 25525105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1276247 + ... + 1276266.

Almost surely, 2^25525130 is an apocalyptic number.

25525130 is a deficient number, since it is larger than the sum of its proper divisors (20420122).

25525130 is a wasteful number, since it uses less digits than its factorization.

25525130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552520.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 25525130 is about 5052.2400972242. The cubic root of 25525130 is about 294.4349232579.

Adding to 25525130 its reverse (3152552), we get a palindrome (28677682).

The spelling of 25525130 in words is "twenty-five million, five hundred twenty-five thousand, one hundred thirty".