25162016 has 24 divisors (see below), whose sum is σ = 54041904. Its totient is φ = 11437120.

The previous prime is 25162003. The next prime is 25162019. The reversal of 25162016 is 61026152.

It is a junction number, because it is equal to n+sod(n) for n = 25161982 and 25162000.

It is not an unprimeable number, because it can be changed into a prime (25162019) 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, 35390 + ... + 36093.

It is an arithmetic number, because the mean of its divisors is an integer number (2251746).

Almost surely, 2^25162016 is an apocalyptic number.

It is an amenable number.

25162016 is an abundant number, since it is smaller than the sum of its proper divisors (28879888).

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

25162016 is a wasteful number, since it uses less digits than its factorization.

25162016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71504 (or 71496 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 25162016 is about 5016.1754355285. The cubic root of 25162016 is about 293.0320644241.

Adding to 25162016 its reverse (61026152), we get a palindrome (86188168).

The spelling of 25162016 in words is "twenty-five million, one hundred sixty-two thousand, sixteen".