25427593 has 2 divisors, whose sum is σ = 25427594. Its totient is φ = 25427592.

The previous prime is 25427551. The next prime is 25427609. The reversal of 25427593 is 39572452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18045504 + 7382089 = 4248^2 + 2717^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25427593 is a prime.

It is not a weakly prime, because it can be changed into another prime (25427513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12713796 + 12713797.

It is an arithmetic number, because the mean of its divisors is an integer number (12713797).

Almost surely, 2^25427593 is an apocalyptic number.

It is an amenable number.

25427593 is a deficient number, since it is larger than the sum of its proper divisors (1).

25427593 is an equidigital number, since it uses as much as digits as its factorization.

25427593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 37.

The square root of 25427593 is about 5042.5780112954. The cubic root of 25427593 is about 294.0594115360.

The spelling of 25427593 in words is "twenty-five million, four hundred twenty-seven thousand, five hundred ninety-three".