802111061 has 2 divisors, whose sum is σ = 802111062. Its totient is φ = 802111060.

The previous prime is 802111031. The next prime is 802111073. The reversal of 802111061 is 160111208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 783664036 + 18447025 = 27994^2 + 4295^2 .

It is a cyclic number.

It is not a de Polignac number, because 802111061 - 2⁶ = 802110997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (802111001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401055530 + 401055531.

It is an arithmetic number, because the mean of its divisors is an integer number (401055531).

Almost surely, 2^802111061 is an apocalyptic number.

It is an amenable number.

802111061 is a deficient number, since it is larger than the sum of its proper divisors (1).

802111061 is an equidigital number, since it uses as much as digits as its factorization.

802111061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 20.

The square root of 802111061 is about 28321.5652992556. The cubic root of 802111061 is about 929.1336059539.

Adding to 802111061 its reverse (160111208), we get a palindrome (962222269).

The spelling of 802111061 in words is "eight hundred two million, one hundred eleven thousand, sixty-one".