842261113 has 2 divisors, whose sum is σ = 842261114. Its totient is φ = 842261112.

The previous prime is 842261083. The next prime is 842261117. The reversal of 842261113 is 311162248.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 841754169 + 506944 = 29013^2 + 712^2 .

It is a cyclic number.

It is not a de Polignac number, because 842261113 - 2¹³ = 842252921 is a prime.

It is equal to p_43205446 and since 842261113 and 43205446 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (842261117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421130556 + 421130557.

It is an arithmetic number, because the mean of its divisors is an integer number (421130557).

Almost surely, 2^842261113 is an apocalyptic number.

It is an amenable number.

842261113 is a deficient number, since it is larger than the sum of its proper divisors (1).

842261113 is an equidigital number, since it uses as much as digits as its factorization.

842261113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 28.

The square root of 842261113 is about 29021.7351824456. The cubic root of 842261113 is about 944.3846438502.

The spelling of 842261113 in words is "eight hundred forty-two million, two hundred sixty-one thousand, one hundred thirteen".