25927553 has 2 divisors, whose sum is σ = 25927554. Its totient is φ = 25927552.

The previous prime is 25927549. The next prime is 25927579. The reversal of 25927553 is 35572952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18215824 + 7711729 = 4268^2 + 2777^2 .

It is a cyclic number.

It is not a de Polignac number, because 25927553 - 2² = 25927549 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (25927513) 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, 12963776 + 12963777.

It is an arithmetic number, because the mean of its divisors is an integer number (12963777).

Almost surely, 2^25927553 is an apocalyptic number.

It is an amenable number.

25927553 is a deficient number, since it is larger than the sum of its proper divisors (1).

25927553 is an equidigital number, since it uses as much as digits as its factorization.

25927553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94500, while the sum is 38.

The square root of 25927553 is about 5091.9105451687. The cubic root of 25927553 is about 295.9741919610.

The spelling of 25927553 in words is "twenty-five million, nine hundred twenty-seven thousand, five hundred fifty-three".