25424593 has 2 divisors, whose sum is σ = 25424594. Its totient is φ = 25424592.

The previous prime is 25424533. The next prime is 25424621. The reversal of 25424593 is 39542452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19963024 + 5461569 = 4468^2 + 2337^2 .

It is a cyclic number.

It is not a de Polignac number, because 25424593 - 2²¹ = 23327441 is a prime.

It is not a weakly prime, because it can be changed into another prime (25424533) 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, 12712296 + 12712297.

It is an arithmetic number, because the mean of its divisors is an integer number (12712297).

Almost surely, 2^25424593 is an apocalyptic number.

It is an amenable number.

25424593 is a deficient number, since it is larger than the sum of its proper divisors (1).

25424593 is an equidigital number, since it uses as much as digits as its factorization.

25424593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 34.

The square root of 25424593 is about 5042.2805356307. The cubic root of 25424593 is about 294.0478465020.

The spelling of 25424593 in words is "twenty-five million, four hundred twenty-four thousand, five hundred ninety-three".