25797923 has 2 divisors, whose sum is σ = 25797924. Its totient is φ = 25797922.

The previous prime is 25797913. The next prime is 25797929. The reversal of 25797923 is 32979752.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25797923 - 2¹⁰ = 25796899 is a prime.

It is a super-2 number, since 2×25797923² = 1331065662227858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25797929) 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, 12898961 + 12898962.

It is an arithmetic number, because the mean of its divisors is an integer number (12898962).

Almost surely, 2^25797923 is an apocalyptic number.

25797923 is a deficient number, since it is larger than the sum of its proper divisors (1).

25797923 is an equidigital number, since it uses as much as digits as its factorization.

25797923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 238140, while the sum is 44.

The square root of 25797923 is about 5079.1655810773. The cubic root of 25797923 is about 295.4801068450.

The spelling of 25797923 in words is "twenty-five million, seven hundred ninety-seven thousand, nine hundred twenty-three".