25973193 has 4 divisors (see below), whose sum is σ = 34630928. Its totient is φ = 17315460.

The previous prime is 25973179. The next prime is 25973197. The reversal of 25973193 is 39137952.

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 not a de Polignac number, because 25973193 - 2⁴ = 25973177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25973197) 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, 4328863 + ... + 4328868.

It is an arithmetic number, because the mean of its divisors is an integer number (8657732).

Almost surely, 2^25973193 is an apocalyptic number.

It is an amenable number.

25973193 is a deficient number, since it is larger than the sum of its proper divisors (8657735).

25973193 is an equidigital number, since it uses as much as digits as its factorization.

25973193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8657734.

The product of its digits is 51030, while the sum is 39.

The square root of 25973193 is about 5096.3901930680. The cubic root of 25973193 is about 296.1477569160.

The spelling of 25973193 in words is "twenty-five million, nine hundred seventy-three thousand, one hundred ninety-three".