25582253 has 2 divisors, whose sum is σ = 25582254. Its totient is φ = 25582252.

The previous prime is 25582243. The next prime is 25582259. The reversal of 25582253 is 35228552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20097289 + 5484964 = 4483^2 + 2342^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25582253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25582259) 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, 12791126 + 12791127.

It is an arithmetic number, because the mean of its divisors is an integer number (12791127).

Almost surely, 2^25582253 is an apocalyptic number.

It is an amenable number.

25582253 is a deficient number, since it is larger than the sum of its proper divisors (1).

25582253 is an equidigital number, since it uses as much as digits as its factorization.

25582253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24000, while the sum is 32.

The square root of 25582253 is about 5057.8901727894. The cubic root of 25582253 is about 294.6543994527.

The spelling of 25582253 in words is "twenty-five million, five hundred eighty-two thousand, two hundred fifty-three".