25338505 has 8 divisors (see below), whose sum is σ = 30980232. Its totient is φ = 19888128.

The previous prime is 25338503. The next prime is 25338527. The reversal of 25338505 is 50583352.

It can be written as a sum of positive squares in 4 ways, for example, as 1951609 + 23386896 = 1397^2 + 4836^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 25338505 - 2¹ = 25338503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25338503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47544 + ... + 48073.

It is an arithmetic number, because the mean of its divisors is an integer number (3872529).

Almost surely, 2^25338505 is an apocalyptic number.

It is an amenable number.

25338505 is a deficient number, since it is larger than the sum of its proper divisors (5641727).

25338505 is an equidigital number, since it uses as much as digits as its factorization.

25338505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95675.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 25338505 is about 5033.7366836178. The cubic root of 25338505 is about 293.7155879411.

The spelling of 25338505 in words is "twenty-five million, three hundred thirty-eight thousand, five hundred five".