25823173 has 2 divisors, whose sum is σ = 25823174. Its totient is φ = 25823172.

The previous prime is 25823159. The next prime is 25823183. The reversal of 25823173 is 37132852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22071204 + 3751969 = 4698^2 + 1937^2 .

It is a cyclic number.

It is not a de Polignac number, because 25823173 - 2⁵ = 25823141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25823123) 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, 12911586 + 12911587.

It is an arithmetic number, because the mean of its divisors is an integer number (12911587).

Almost surely, 2^25823173 is an apocalyptic number.

It is an amenable number.

25823173 is a deficient number, since it is larger than the sum of its proper divisors (1).

25823173 is an equidigital number, since it uses as much as digits as its factorization.

25823173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 25823173 is about 5081.6506176635. The cubic root of 25823173 is about 295.5764768755.

The spelling of 25823173 in words is "twenty-five million, eight hundred twenty-three thousand, one hundred seventy-three".