25563193 has 2 divisors, whose sum is σ = 25563194. Its totient is φ = 25563192.

The previous prime is 25563149. The next prime is 25563217. The reversal of 25563193 is 39136552.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16581184 + 8982009 = 4072^2 + 2997^2 .

It is a cyclic number.

It is not a de Polignac number, because 25563193 - 2²¹ = 23466041 is a prime.

It is not a weakly prime, because it can be changed into another prime (25563793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12781596 + 12781597.

It is an arithmetic number, because the mean of its divisors is an integer number (12781597).

Almost surely, 2^25563193 is an apocalyptic number.

It is an amenable number.

25563193 is a deficient number, since it is larger than the sum of its proper divisors (1).

25563193 is an equidigital number, since it uses as much as digits as its factorization.

25563193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300, while the sum is 34.

The square root of 25563193 is about 5056.0056368639. The cubic root of 25563193 is about 294.5812040727.

The spelling of 25563193 in words is "twenty-five million, five hundred sixty-three thousand, one hundred ninety-three".