25233506 has 8 divisors (see below), whose sum is σ = 37871580. Its totient is φ = 12609648.

The previous prime is 25233487. The next prime is 25233569. The reversal of 25233506 is 60533252.

It can be written as a sum of positive squares in 2 ways, for example, as 16736281 + 8497225 = 4091^2 + 2915^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5120 + ... + 8756.

Almost surely, 2^25233506 is an apocalyptic number.

25233506 is a deficient number, since it is larger than the sum of its proper divisors (12638074).

25233506 is a wasteful number, since it uses less digits than its factorization.

25233506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7108.

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

The square root of 25233506 is about 5023.2963281097. The cubic root of 25233506 is about 293.3093216686.

Adding to 25233506 its reverse (60533252), we get a palindrome (85766758).

The spelling of 25233506 in words is "twenty-five million, two hundred thirty-three thousand, five hundred six".