25789453 has 2 divisors, whose sum is σ = 25789454. Its totient is φ = 25789452.

The previous prime is 25789411. The next prime is 25789501. The reversal of 25789453 is 35498752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25431849 + 357604 = 5043^2 + 598^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25789453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25789553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12894726 + 12894727.

It is an arithmetic number, because the mean of its divisors is an integer number (12894727).

Almost surely, 2^25789453 is an apocalyptic number.

It is an amenable number.

25789453 is a deficient number, since it is larger than the sum of its proper divisors (1).

25789453 is an equidigital number, since it uses as much as digits as its factorization.

25789453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 43.

The square root of 25789453 is about 5078.3317142542. The cubic root of 25789453 is about 295.4477658634.

The spelling of 25789453 in words is "twenty-five million, seven hundred eighty-nine thousand, four hundred fifty-three".