25229339 has 4 divisors (see below), whose sum is σ = 25239456. Its totient is φ = 25219224.

The previous prime is 25229291. The next prime is 25229341. The reversal of 25229339 is 93392252.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25229339 - 2¹² = 25225243 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 25229299 and 25229308.

It is not an unprimeable number, because it can be changed into a prime (25229389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1637 + ... + 7289.

It is an arithmetic number, because the mean of its divisors is an integer number (6309864).

Almost surely, 2^25229339 is an apocalyptic number.

25229339 is a deficient number, since it is larger than the sum of its proper divisors (10117).

25229339 is an equidigital number, since it uses as much as digits as its factorization.

25229339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10116.

The product of its digits is 29160, while the sum is 35.

The square root of 25229339 is about 5022.8815434967. The cubic root of 25229339 is about 293.2931753163.

The spelling of 25229339 in words is "twenty-five million, two hundred twenty-nine thousand, three hundred thirty-nine".