25122193 has 4 divisors (see below), whose sum is σ = 25211248. Its totient is φ = 25033140.

The previous prime is 25122173. The next prime is 25122197. The reversal of 25122193 is 39122152.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-25122193 is a prime.

It is a super-2 number, since 2×25122193² = 1262249162258498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25122197) 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, 44103 + ... + 44668.

It is an arithmetic number, because the mean of its divisors is an integer number (6302812).

Almost surely, 2^25122193 is an apocalyptic number.

It is an amenable number.

25122193 is a deficient number, since it is larger than the sum of its proper divisors (89055).

25122193 is an equidigital number, since it uses as much as digits as its factorization.

25122193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89054.

The product of its digits is 1080, while the sum is 25.

The square root of 25122193 is about 5012.2044052493. The cubic root of 25122193 is about 292.8773924300.

The spelling of 25122193 in words is "twenty-five million, one hundred twenty-two thousand, one hundred ninety-three".