61162117 has 2 divisors, whose sum is σ = 61162118. Its totient is φ = 61162116.

The previous prime is 61162111. The next prime is 61162139. The reversal of 61162117 is 71126116.

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., 36072036 + 25090081 = 6006^2 + 5009^2 .

It is a cyclic number.

It is not a de Polignac number, because 61162117 - 2³ = 61162109 is a prime.

It is equal to p_3627016 and since 61162117 and 3627016 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 61162091 and 61162100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61162111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30581058 + 30581059.

It is an arithmetic number, because the mean of its divisors is an integer number (30581059).

Almost surely, 2^61162117 is an apocalyptic number.

It is an amenable number.

61162117 is a deficient number, since it is larger than the sum of its proper divisors (1).

61162117 is an equidigital number, since it uses as much as digits as its factorization.

61162117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 25.

The square root of 61162117 is about 7820.6212668816. The cubic root of 61162117 is about 393.9981383096.

The spelling of 61162117 in words is "sixty-one million, one hundred sixty-two thousand, one hundred seventeen".