25344791 has 2 divisors, whose sum is σ = 25344792. Its totient is φ = 25344790.

The previous prime is 25344779. The next prime is 25344817. The reversal of 25344791 is 19744352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25344791 - 2¹⁸ = 25082647 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25344721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12672395 + 12672396.

It is an arithmetic number, because the mean of its divisors is an integer number (12672396).

Almost surely, 2^25344791 is an apocalyptic number.

25344791 is a deficient number, since it is larger than the sum of its proper divisors (1).

25344791 is an equidigital number, since it uses as much as digits as its factorization.

25344791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 25344791 is about 5034.3610319483. The cubic root of 25344791 is about 293.7398743454.

The spelling of 25344791 in words is "twenty-five million, three hundred forty-four thousand, seven hundred ninety-one".