25255393 has 2 divisors, whose sum is σ = 25255394. Its totient is φ = 25255392.

The previous prime is 25255367. The next prime is 25255397. The reversal of 25255393 is 39355252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24830289 + 425104 = 4983^2 + 652^2 .

It is a cyclic number.

It is not a de Polignac number, because 25255393 - 2⁵ = 25255361 is a prime.

It is not a weakly prime, because it can be changed into another prime (25255397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12627696 + 12627697.

It is an arithmetic number, because the mean of its divisors is an integer number (12627697).

Almost surely, 2^25255393 is an apocalyptic number.

It is an amenable number.

25255393 is a deficient number, since it is larger than the sum of its proper divisors (1).

25255393 is an equidigital number, since it uses as much as digits as its factorization.

25255393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40500, while the sum is 34.

The square root of 25255393 is about 5025.4744054666. The cubic root of 25255393 is about 293.3941005591.

The spelling of 25255393 in words is "twenty-five million, two hundred fifty-five thousand, three hundred ninety-three".