25813223 has 2 divisors, whose sum is σ = 25813224. Its totient is φ = 25813222.

The previous prime is 25813181. The next prime is 25813261. The reversal of 25813223 is 32231852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25813223 - 2⁶ = 25813159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25813192 and 25813201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25813283) 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, 12906611 + 12906612.

It is an arithmetic number, because the mean of its divisors is an integer number (12906612).

Almost surely, 2^25813223 is an apocalyptic number.

25813223 is a deficient number, since it is larger than the sum of its proper divisors (1).

25813223 is an equidigital number, since it uses as much as digits as its factorization.

25813223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 25813223 is about 5080.6715107356. The cubic root of 25813223 is about 295.5385088618.

The spelling of 25813223 in words is "twenty-five million, eight hundred thirteen thousand, two hundred twenty-three".