827572061 has 2 divisors, whose sum is σ = 827572062. Its totient is φ = 827572060.

The previous prime is 827572013. The next prime is 827572073. The reversal of 827572061 is 160275728.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 466344025 + 361228036 = 21595^2 + 19006^2 .

It is a cyclic number.

It is not a de Polignac number, because 827572061 - 2¹⁰ = 827571037 is a prime.

It is a super-2 number, since 2×827572061² = 1369751032295575442, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (827572091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413786030 + 413786031.

It is an arithmetic number, because the mean of its divisors is an integer number (413786031).

Almost surely, 2^827572061 is an apocalyptic number.

It is an amenable number.

827572061 is a deficient number, since it is larger than the sum of its proper divisors (1).

827572061 is an equidigital number, since it uses as much as digits as its factorization.

827572061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 827572061 is about 28767.5522246854. The cubic root of 827572061 is about 938.8623860440.

The spelling of 827572061 in words is "eight hundred twenty-seven million, five hundred seventy-two thousand, sixty-one".