25252116 has 12 divisors (see below), whose sum is σ = 58921632. Its totient is φ = 8417368.

The previous prime is 25252111. The next prime is 25252133. The reversal of 25252116 is 61125252.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25252111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052160 + ... + 1052183.

It is an arithmetic number, because the mean of its divisors is an integer number (4910136).

Almost surely, 2^25252116 is an apocalyptic number.

It is an amenable number.

25252116 is an abundant number, since it is smaller than the sum of its proper divisors (33669516).

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

25252116 is a wasteful number, since it uses less digits than its factorization.

25252116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104350 (or 2104348 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 25252116 is about 5025.1483560190. The cubic root of 25252116 is about 293.3814102787.

Adding to 25252116 its reverse (61125252), we get a palindrome (86377368).

The spelling of 25252116 in words is "twenty-five million, two hundred fifty-two thousand, one hundred sixteen".