25330452 has 72 divisors (see below), whose sum is σ = 71781696. Its totient is φ = 6918912.

The previous prime is 25330423. The next prime is 25330453. The reversal of 25330452 is 25403352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25330453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12588 + ... + 14460.

It is an arithmetic number, because the mean of its divisors is an integer number (996968).

Almost surely, 2^25330452 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 25330452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35890848).

25330452 is an abundant number, since it is smaller than the sum of its proper divisors (46451244).

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

25330452 is a wasteful number, since it uses less digits than its factorization.

25330452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917 (or 1908 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 25330452 is about 5032.9367172656. The cubic root of 25330452 is about 293.6844687380.

Subtracting 25330452 from its reverse (25403352), we obtain a square (72900 = 270²).

The spelling of 25330452 in words is "twenty-five million, three hundred thirty thousand, four hundred fifty-two".