25247012 has 12 divisors (see below), whose sum is σ = 50494080. Its totient is φ = 10820136.

The previous prime is 25247011. The next prime is 25247017. The reversal of 25247012 is 21074252.

It is a happy number.

25247012 is an admirable number.

It is a super-2 number, since 2×25247012² = 1274823229856288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25247011) 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, 450812 + ... + 450867.

It is an arithmetic number, because the mean of its divisors is an integer number (4207840).

Almost surely, 2^25247012 is an apocalyptic number.

It is an amenable number.

25247012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25247012 is a wasteful number, since it uses less digits than its factorization.

25247012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901690 (or 901688 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 25247012 is about 5024.6404846516. The cubic root of 25247012 is about 293.3616426994.

The spelling of 25247012 in words is "twenty-five million, two hundred forty-seven thousand, twelve".