25430241 has 4 divisors (see below), whose sum is σ = 33906992. Its totient is φ = 16953492.

The previous prime is 25430233. The next prime is 25430257. The reversal of 25430241 is 14203452.

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 25430241 - 2³ = 25430233 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 (25430281) 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, 4238371 + ... + 4238376.

It is an arithmetic number, because the mean of its divisors is an integer number (8476748).

Almost surely, 2^25430241 is an apocalyptic number.

It is an amenable number.

25430241 is a deficient number, since it is larger than the sum of its proper divisors (8476751).

25430241 is an equidigital number, since it uses as much as digits as its factorization.

25430241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8476750.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 25430241 is about 5042.8405685685. The cubic root of 25430241 is about 294.0696188502.

Adding to 25430241 its reverse (14203452), we get a palindrome (39633693).

The spelling of 25430241 in words is "twenty-five million, four hundred thirty thousand, two hundred forty-one".