25196393 has 4 divisors (see below), whose sum is σ = 25500048. Its totient is φ = 24892740.

The previous prime is 25196383. The next prime is 25196417. The reversal of 25196393 is 39369152.

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 25196393 - 2⁸ = 25196137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25196333) 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, 151703 + ... + 151868.

It is an arithmetic number, because the mean of its divisors is an integer number (6375012).

Almost surely, 2^25196393 is an apocalyptic number.

It is an amenable number.

25196393 is a deficient number, since it is larger than the sum of its proper divisors (303655).

25196393 is an equidigital number, since it uses as much as digits as its factorization.

25196393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303654.

The product of its digits is 43740, while the sum is 38.

The square root of 25196393 is about 5019.6008805482. The cubic root of 25196393 is about 293.1654530362.

The spelling of 25196393 in words is "twenty-five million, one hundred ninety-six thousand, three hundred ninety-three".