25047232 has 70 divisors (see below), whose sum is σ = 58339228. Its totient is φ = 10668672.

The previous prime is 25047229. The next prime is 25047247. The reversal of 25047232 is 23274052.

It is a junction number, because it is equal to n+sod(n) for n = 25047197 and 25047206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 153583 + ... + 153745.

Almost surely, 2^25047232 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 25047232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29169614).

25047232 is an abundant number, since it is smaller than the sum of its proper divisors (33291996).

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

25047232 is an frugal number, since it uses more digits than its factorization.

25047232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 25047232 is about 5004.7209712431. The cubic root of 25047232 is about 292.5858009181.

The spelling of 25047232 in words is "twenty-five million, forty-seven thousand, two hundred thirty-two".