25289193 has 4 divisors (see below), whose sum is σ = 33718928. Its totient is φ = 16859460.

The previous prime is 25289191. The next prime is 25289207. The reversal of 25289193 is 39198252.

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 25289193 - 2¹ = 25289191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25289191) 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, 4214863 + ... + 4214868.

It is an arithmetic number, because the mean of its divisors is an integer number (8429732).

Almost surely, 2^25289193 is an apocalyptic number.

It is an amenable number.

25289193 is a deficient number, since it is larger than the sum of its proper divisors (8429735).

25289193 is an equidigital number, since it uses as much as digits as its factorization.

25289193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8429734.

The product of its digits is 38880, while the sum is 39.

The square root of 25289193 is about 5028.8361476588. The cubic root of 25289193 is about 293.5249280612.

The spelling of 25289193 in words is "twenty-five million, two hundred eighty-nine thousand, one hundred ninety-three".