25713823 has 2 divisors, whose sum is σ = 25713824. Its totient is φ = 25713822.

The previous prime is 25713811. The next prime is 25713833. The reversal of 25713823 is 32831752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25713823 - 2¹⁷ = 25582751 is a prime.

It is a super-2 number, since 2×25713823² = 1322401386550658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25713803) 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, 12856911 + 12856912.

It is an arithmetic number, because the mean of its divisors is an integer number (12856912).

Almost surely, 2^25713823 is an apocalyptic number.

25713823 is a deficient number, since it is larger than the sum of its proper divisors (1).

25713823 is an equidigital number, since it uses as much as digits as its factorization.

25713823 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 25713823 is about 5070.8799039220. The cubic root of 25713823 is about 295.1586736152.

The spelling of 25713823 in words is "twenty-five million, seven hundred thirteen thousand, eight hundred twenty-three".