25650012 has 48 divisors (see below), whose sum is σ = 61857152. Its totient is φ = 8268480.

The previous prime is 25650011. The next prime is 25650013. The reversal of 25650012 is 21005652.

It is an interprime number because it is at equal distance from previous prime (25650011) and next prime (25650013).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25650011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48783 + ... + 49305.

Almost surely, 2^25650012 is an apocalyptic number.

It is an amenable number.

25650012 is an abundant number, since it is smaller than the sum of its proper divisors (36207140).

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

25650012 is a wasteful number, since it uses less digits than its factorization.

25650012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 25650012 is about 5064.5840895379. The cubic root of 25650012 is about 294.9143177380.

Adding to 25650012 its reverse (21005652), we get a palindrome (46655664).

The spelling of 25650012 in words is "twenty-five million, six hundred fifty thousand, twelve".