25486393 has 4 divisors (see below), whose sum is σ = 25522560. Its totient is φ = 25450228.

The previous prime is 25486387. The next prime is 25486397. The reversal of 25486393 is 39368452.

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 25486393 - 2⁹ = 25485881 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25486397) 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, 17005 + ... + 18442.

It is an arithmetic number, because the mean of its divisors is an integer number (6380640).

Almost surely, 2^25486393 is an apocalyptic number.

It is an amenable number.

25486393 is a deficient number, since it is larger than the sum of its proper divisors (36167).

25486393 is an equidigital number, since it uses as much as digits as its factorization.

25486393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36166.

The product of its digits is 155520, while the sum is 40.

The square root of 25486393 is about 5048.4049956397. The cubic root of 25486393 is about 294.2859027936.

The spelling of 25486393 in words is "twenty-five million, four hundred eighty-six thousand, three hundred ninety-three".