25052130 has 48 divisors (see below), whose sum is σ = 65552760. Its totient is φ = 6637824.

The previous prime is 25052113. The next prime is 25052149. The reversal of 25052130 is 3125052.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 24830289 + 221841 = 4983^2 + 471^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14766 + ... + 16374.

Almost surely, 2^25052130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25052130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32776380).

25052130 is an abundant number, since it is smaller than the sum of its proper divisors (40500630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25052130 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 25052130 = (52123050)₉.

25052130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795 (or 1792 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 25052130 is about 5005.2102852927. The cubic root of 25052130 is about 292.6048714465.

Adding to 25052130 its reverse (3125052), we get a palindrome (28177182).

The spelling of 25052130 in words is "twenty-five million, fifty-two thousand, one hundred thirty".