25423933 has 2 divisors, whose sum is σ = 25423934. Its totient is φ = 25423932.

The previous prime is 25423927. The next prime is 25423961. The reversal of 25423933 is 33932452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25130169 + 293764 = 5013^2 + 542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25423933 is a prime.

It is equal to p_1590691 and since 25423933 and 1590691 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 25423895 and 25423904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25423973) 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, 12711966 + 12711967.

It is an arithmetic number, because the mean of its divisors is an integer number (12711967).

Almost surely, 2^25423933 is an apocalyptic number.

It is an amenable number.

25423933 is a deficient number, since it is larger than the sum of its proper divisors (1).

25423933 is an equidigital number, since it uses as much as digits as its factorization.

25423933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 31.

The square root of 25423933 is about 5042.2150886292. The cubic root of 25423933 is about 294.0453020724.

The spelling of 25423933 in words is "twenty-five million, four hundred twenty-three thousand, nine hundred thirty-three".