25332506 has 8 divisors (see below), whose sum is σ = 38925684. Its totient is φ = 12357280.

The previous prime is 25332497. The next prime is 25332509. The reversal of 25332506 is 60523352.

It can be written as a sum of positive squares in 2 ways, for example, as 18619225 + 6713281 = 4315^2 + 2591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (25332509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154385 + ... + 154548.

Almost surely, 2^25332506 is an apocalyptic number.

25332506 is a deficient number, since it is larger than the sum of its proper divisors (13593178).

25332506 is a wasteful number, since it uses less digits than its factorization.

25332506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308976.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 25332506 is about 5033.1407689434. The cubic root of 25332506 is about 293.6924066355.

Adding to 25332506 its reverse (60523352), we get a palindrome (85855858).

The spelling of 25332506 in words is "twenty-five million, three hundred thirty-two thousand, five hundred six".