25323012 has 72 divisors (see below), whose sum is σ = 75216960. Its totient is φ = 7081920.

The previous prime is 25323007. The next prime is 25323037. The reversal of 25323012 is 21032352.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2689 + ... + 7607.

It is an arithmetic number, because the mean of its divisors is an integer number (1044680).

Almost surely, 2^25323012 is an apocalyptic number.

25323012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25323012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37608480).

25323012 is an abundant number, since it is smaller than the sum of its proper divisors (49893948).

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

25323012 is a wasteful number, since it uses less digits than its factorization.

25323012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4953 (or 4948 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 25323012 is about 5032.1975318940. The cubic root of 25323012 is about 293.6557124883.

Adding to 25323012 its reverse (21032352), we get a palindrome (46355364).

The spelling of 25323012 in words is "twenty-five million, three hundred twenty-three thousand, twelve".