827144453 has 2 divisors, whose sum is σ = 827144454. Its totient is φ = 827144452.

The previous prime is 827144441. The next prime is 827144471. The reversal of 827144453 is 354441728.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 657050689 + 170093764 = 25633^2 + 13042^2 .

It is a cyclic number.

It is not a de Polignac number, because 827144453 - 2⁶ = 827144389 is a prime.

It is a super-2 number, since 2×827144453² = 1368335892257338418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (827144473) 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, 413572226 + 413572227.

It is an arithmetic number, because the mean of its divisors is an integer number (413572227).

Almost surely, 2^827144453 is an apocalyptic number.

It is an amenable number.

827144453 is a deficient number, since it is larger than the sum of its proper divisors (1).

827144453 is an equidigital number, since it uses as much as digits as its factorization.

827144453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 38.

The square root of 827144453 is about 28760.1191409215. The cubic root of 827144453 is about 938.7006542135.

The spelling of 827144453 in words is "eight hundred twenty-seven million, one hundred forty-four thousand, four hundred fifty-three".