25530332 has 6 divisors (see below), whose sum is σ = 44678088. Its totient is φ = 12765164.

The previous prime is 25530313. The next prime is 25530343. The reversal of 25530332 is 23303552.

It is a junction number, because it is equal to n+sod(n) for n = 25530298 and 25530307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3191288 + ... + 3191295.

It is an arithmetic number, because the mean of its divisors is an integer number (7446348).

Almost surely, 2^25530332 is an apocalyptic number.

It is an amenable number.

25530332 is a deficient number, since it is larger than the sum of its proper divisors (19147756).

25530332 is a wasteful number, since it uses less digits than its factorization.

25530332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6382587 (or 6382585 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 25530332 is about 5052.7548921356. The cubic root of 25530332 is about 294.4549237624.

Adding to 25530332 its reverse (23303552), we get a palindrome (48833884).

The spelling of 25530332 in words is "twenty-five million, five hundred thirty thousand, three hundred thirty-two".