25573043 has 2 divisors, whose sum is σ = 25573044. Its totient is φ = 25573042.

The previous prime is 25573027. The next prime is 25573057. The reversal of 25573043 is 34037552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25573043 - 2⁴ = 25573027 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25572997 and 25573015.

It is not a weakly prime, because it can be changed into another prime (25573063) 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, 12786521 + 12786522.

It is an arithmetic number, because the mean of its divisors is an integer number (12786522).

Almost surely, 2^25573043 is an apocalyptic number.

25573043 is a deficient number, since it is larger than the sum of its proper divisors (1).

25573043 is an equidigital number, since it uses as much as digits as its factorization.

25573043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 25573043 is about 5056.9796321520. The cubic root of 25573043 is about 294.6190351873.

The spelling of 25573043 in words is "twenty-five million, five hundred seventy-three thousand, forty-three".