25331012 has 12 divisors (see below), whose sum is σ = 50662080. Its totient is φ = 10856136.

The previous prime is 25331011. The next prime is 25331021. The reversal of 25331012 is 21013352.

25331012 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (25331011) 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, 452312 + ... + 452367.

It is an arithmetic number, because the mean of its divisors is an integer number (4221840).

Almost surely, 2^25331012 is an apocalyptic number.

It is an amenable number.

25331012 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.

25331012 is a wasteful number, since it uses less digits than its factorization.

25331012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904690 (or 904688 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 25331012 is about 5032.9923504810. The cubic root of 25331012 is about 293.6866329590.

Adding to 25331012 its reverse (21013352), we get a palindrome (46344364).

The spelling of 25331012 in words is "twenty-five million, three hundred thirty-one thousand, twelve".