827554961 has 2 divisors, whose sum is σ = 827554962. Its totient is φ = 827554960.

The previous prime is 827554957. The next prime is 827554967. The reversal of 827554961 is 169455728.

It is a happy number.

827554961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 737665600 + 89889361 = 27160^2 + 9481^2 .

It is a cyclic number.

It is not a de Polignac number, because 827554961 - 2² = 827554957 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (827554967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413777480 + 413777481.

It is an arithmetic number, because the mean of its divisors is an integer number (413777481).

Almost surely, 2^827554961 is an apocalyptic number.

It is an amenable number.

827554961 is a deficient number, since it is larger than the sum of its proper divisors (1).

827554961 is an equidigital number, since it uses as much as digits as its factorization.

827554961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 47.

The square root of 827554961 is about 28767.2550132959. The cubic root of 827554961 is about 938.8559194743.

It can be divided in two parts, 8275 and 54961, that added together give a palindrome (63236).

The spelling of 827554961 in words is "eight hundred twenty-seven million, five hundred fifty-four thousand, nine hundred sixty-one".