25232512 has 32 divisors (see below), whose sum is σ = 51897600. Its totient is φ = 12207360.

The previous prime is 25232509. The next prime is 25232533. The reversal of 25232512 is 21523252.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789 + ... + 7147.

It is an arithmetic number, because the mean of its divisors is an integer number (1621800).

Almost surely, 2^25232512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25232512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25948800).

25232512 is an abundant number, since it is smaller than the sum of its proper divisors (26665088).

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

25232512 is an equidigital number, since it uses as much as digits as its factorization.

25232512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6404 (or 6392 counting only the distinct ones).

The product of its digits is 1200, while the sum is 22.

The square root of 25232512 is about 5023.1973881184. The cubic root of 25232512 is about 293.3054702644.

Adding to 25232512 its reverse (21523252), we get a palindrome (46755764).

The spelling of 25232512 in words is "twenty-five million, two hundred thirty-two thousand, five hundred twelve".