25813063 has 2 divisors, whose sum is σ = 25813064. Its totient is φ = 25813062.

The previous prime is 25813057. The next prime is 25813079. The reversal of 25813063 is 36031852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25813063 - 2¹⁷ = 25681991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25813043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12906531 + 12906532.

It is an arithmetic number, because the mean of its divisors is an integer number (12906532).

Almost surely, 2^25813063 is an apocalyptic number.

25813063 is a deficient number, since it is larger than the sum of its proper divisors (1).

25813063 is an equidigital number, since it uses as much as digits as its factorization.

25813063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 25813063 is about 5080.6557647611. The cubic root of 25813063 is about 295.5378982412.

The spelling of 25813063 in words is "twenty-five million, eight hundred thirteen thousand, sixty-three".