25052012 has 12 divisors (see below), whose sum is σ = 43969800. Its totient is φ = 12489216.

The previous prime is 25052011. The next prime is 25052039. The reversal of 25052012 is 21025052.

It is not an unprimeable number, because it can be changed into a prime (25052011) 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, 7637 + ... + 10412.

It is an arithmetic number, because the mean of its divisors is an integer number (3664150).

Almost surely, 2^25052012 is an apocalyptic number.

It is an amenable number.

25052012 is a deficient number, since it is larger than the sum of its proper divisors (18917788).

25052012 is a wasteful number, since it uses less digits than its factorization.

25052012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18400 (or 18398 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 25052012 is about 5005.1984975623. The cubic root of 25052012 is about 292.6044120387.

Adding to 25052012 its reverse (21025052), we get a palindrome (46077064).

The spelling of 25052012 in words is "twenty-five million, fifty-two thousand, twelve".