25432193 has 4 divisors (see below), whose sum is σ = 25442628. Its totient is φ = 25421760.

The previous prime is 25432163. The next prime is 25432213. The reversal of 25432193 is 39123452.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 12306064 + 13126129 = 3508^2 + 3623^2 .

It is a cyclic number.

It is not a de Polignac number, because 25432193 - 2¹² = 25428097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25432133) 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, 605 + ... + 7157.

It is an arithmetic number, because the mean of its divisors is an integer number (6360657).

Almost surely, 2^25432193 is an apocalyptic number.

It is an amenable number.

25432193 is a deficient number, since it is larger than the sum of its proper divisors (10435).

25432193 is an equidigital number, since it uses as much as digits as its factorization.

25432193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10434.

The product of its digits is 6480, while the sum is 29.

The square root of 25432193 is about 5043.0341065672. The cubic root of 25432193 is about 294.0771428215.

The spelling of 25432193 in words is "twenty-five million, four hundred thirty-two thousand, one hundred ninety-three".