25823393 has 4 divisors (see below), whose sum is σ = 25898160. Its totient is φ = 25748628.

The previous prime is 25823387. The next prime is 25823407. The reversal of 25823393 is 39332852.

25823393 is nontrivially palindromic in base 8.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25823393 - 2¹⁰ = 25822369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25823333) 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, 36863 + ... + 37556.

It is an arithmetic number, because the mean of its divisors is an integer number (6474540).

Almost surely, 2^25823393 is an apocalyptic number.

It is an amenable number.

25823393 is a deficient number, since it is larger than the sum of its proper divisors (74767).

25823393 is an equidigital number, since it uses as much as digits as its factorization.

25823393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74766.

The product of its digits is 38880, while the sum is 35.

The square root of 25823393 is about 5081.6722641272. The cubic root of 25823393 is about 295.5773162591.

The spelling of 25823393 in words is "twenty-five million, eight hundred twenty-three thousand, three hundred ninety-three".