25229893 has 8 divisors (see below), whose sum is σ = 27905528. Its totient is φ = 22659264.

The previous prime is 25229881. The next prime is 25229899. The reversal of 25229893 is 39892252.

It can be written as a sum of positive squares in 4 ways, for example, as 3392964 + 21836929 = 1842^2 + 4673^2 .

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 25229893 - 2²¹ = 23132741 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25229899) 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 7 ways as a sum of consecutive naturals, for example, 25746 + ... + 26707.

It is an arithmetic number, because the mean of its divisors is an integer number (3488191).

Almost surely, 2^25229893 is an apocalyptic number.

It is an amenable number.

25229893 is a deficient number, since it is larger than the sum of its proper divisors (2675635).

25229893 is a wasteful number, since it uses less digits than its factorization.

25229893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52503.

The product of its digits is 77760, while the sum is 40.

The square root of 25229893 is about 5022.9366908214. The cubic root of 25229893 is about 293.2953220661.

The spelling of 25229893 in words is "twenty-five million, two hundred twenty-nine thousand, eight hundred ninety-three".