25544573 has 2 divisors, whose sum is σ = 25544574. Its totient is φ = 25544572.

The previous prime is 25544539. The next prime is 25544579. The reversal of 25544573 is 37544552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24970009 + 574564 = 4997^2 + 758^2 .

It is a cyclic number.

It is not a de Polignac number, because 25544573 - 2¹⁶ = 25479037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25544579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12772286 + 12772287.

It is an arithmetic number, because the mean of its divisors is an integer number (12772287).

Almost surely, 2^25544573 is an apocalyptic number.

It is an amenable number.

25544573 is a deficient number, since it is larger than the sum of its proper divisors (1).

25544573 is an equidigital number, since it uses as much as digits as its factorization.

25544573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84000, while the sum is 35.

The square root of 25544573 is about 5054.1639269023. The cubic root of 25544573 is about 294.5096632663.

The spelling of 25544573 in words is "twenty-five million, five hundred forty-four thousand, five hundred seventy-three".