25500130 has 8 divisors (see below), whose sum is σ = 45900252. Its totient is φ = 10200048.

The previous prime is 25500127. The next prime is 25500131. The reversal of 25500130 is 3100552.

It can be written as a sum of positive squares in 2 ways, for example, as 22118209 + 3381921 = 4703^2 + 1839^2 .

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

It is not an unprimeable number, because it can be changed into a prime (25500131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1274997 + ... + 1275016.

Almost surely, 2^25500130 is an apocalyptic number.

25500130 is a deficient number, since it is larger than the sum of its proper divisors (20400122).

25500130 is a wasteful number, since it uses less digits than its factorization.

25500130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550020.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 25500130 is about 5049.7653410827. The cubic root of 25500130 is about 294.3387660260.

Adding to 25500130 its reverse (3100552), we get a palindrome (28600682).

The spelling of 25500130 in words is "twenty-five million, five hundred thousand, one hundred thirty".