25203130 has 8 divisors (see below), whose sum is σ = 45365652. Its totient is φ = 10081248.

The previous prime is 25203127. The next prime is 25203169. The reversal of 25203130 is 3130252.

It can be written as a sum of positive squares in 2 ways, for example, as 25190361 + 12769 = 5019^2 + 113^2 .

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, 1260147 + ... + 1260166.

Almost surely, 2^25203130 is an apocalyptic number.

25203130 is a deficient number, since it is larger than the sum of its proper divisors (20162522).

25203130 is a wasteful number, since it uses less digits than its factorization.

25203130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520320.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 25203130 is about 5020.2719049868. The cubic root of 25203130 is about 293.1915795225.

Adding to 25203130 its reverse (3130252), we get a palindrome (28333382).

The spelling of 25203130 in words is "twenty-five million, two hundred three thousand, one hundred thirty".