25130616 has 64 divisors (see below), whose sum is σ = 75590400. Its totient is φ = 6801408.

The previous prime is 25130603. The next prime is 25130627. The reversal of 25130616 is 61603152.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 745 + ... + 7128.

It is an arithmetic number, because the mean of its divisors is an integer number (1181100).

Almost surely, 2^25130616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25130616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37795200).

25130616 is an abundant number, since it is smaller than the sum of its proper divisors (50459784).

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

25130616 is a wasteful number, since it uses less digits than its factorization.

25130616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7908 (or 7904 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 25130616 is about 5013.0445838831. The cubic root of 25130616 is about 292.9101208709.

Adding to 25130616 its reverse (61603152), we get a palindrome (86733768).

The spelling of 25130616 in words is "twenty-five million, one hundred thirty thousand, six hundred sixteen".