827396573 has 2 divisors, whose sum is σ = 827396574. Its totient is φ = 827396572.

The previous prime is 827396569. The next prime is 827396587. The reversal of 827396573 is 375693728.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 438399844 + 388996729 = 20938^2 + 19723^2 .

It is a cyclic number.

It is not a de Polignac number, because 827396573 - 2² = 827396569 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (827396513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413698286 + 413698287.

It is an arithmetic number, because the mean of its divisors is an integer number (413698287).

Almost surely, 2^827396573 is an apocalyptic number.

It is an amenable number.

827396573 is a deficient number, since it is larger than the sum of its proper divisors (1).

827396573 is an equidigital number, since it uses as much as digits as its factorization.

827396573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 50.

The square root of 827396573 is about 28764.5019598810. The cubic root of 827396573 is about 938.7960189213.

The spelling of 827396573 in words is "eight hundred twenty-seven million, three hundred ninety-six thousand, five hundred seventy-three".