2311061 has 2 divisors, whose sum is σ = 2311062. Its totient is φ = 2311060.

The previous prime is 2311051. The next prime is 2311079. The reversal of 2311061 is 1601132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2146225 + 164836 = 1465^2 + 406^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2311061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155530 + 1155531.

It is an arithmetic number, because the mean of its divisors is an integer number (1155531).

2^2311061 is an apocalyptic number.

It is an amenable number.

2311061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311061 is an equidigital number, since it uses as much as digits as its factorization.

2311061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2311061 is about 1520.2174186609. The cubic root of 2311061 is about 132.2118765951.

Adding to 2311061 its reverse (1601132), we get a palindrome (3912193).

The spelling of 2311061 in words is "two million, three hundred eleven thousand, sixty-one".