25152130 has 16 divisors (see below), whose sum is σ = 46017144. Its totient is φ = 9895680.

The previous prime is 25152109. The next prime is 25152137. The reversal of 25152130 is 3125152.

It can be written as a sum of positive squares in 4 ways, for example, as 11675889 + 13476241 = 3417^2 + 3671^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25152098 and 25152107.

It is not an unprimeable number, because it can be changed into a prime (25152137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20007 + ... + 21226.

Almost surely, 2^25152130 is an apocalyptic number.

25152130 is a deficient number, since it is larger than the sum of its proper divisors (20865014).

25152130 is a wasteful number, since it uses less digits than its factorization.

25152130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41301.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 25152130 is about 5015.1899266129. The cubic root of 25152130 is about 292.9936825702.

Adding to 25152130 its reverse (3125152), we get a palindrome (28277282).

The spelling of 25152130 in words is "twenty-five million, one hundred fifty-two thousand, one hundred thirty".