25525416 has 32 divisors (see below), whose sum is σ = 72930240. Its totient is φ = 7292928.

The previous prime is 25525403. The next prime is 25525421. The reversal of 25525416 is 61452552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75801 + ... + 76136.

It is an arithmetic number, because the mean of its divisors is an integer number (2279070).

Almost surely, 2^25525416 is an apocalyptic number.

It is an amenable number.

25525416 is an abundant number, since it is smaller than the sum of its proper divisors (47404824).

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

25525416 is a wasteful number, since it uses less digits than its factorization.

25525416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151953 (or 151949 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 25525416 is about 5052.2684014213. The cubic root of 25525416 is about 294.4360229333.

Adding to 25525416 its reverse (61452552), we get a palindrome (86977968).

The spelling of 25525416 in words is "twenty-five million, five hundred twenty-five thousand, four hundred sixteen".