61169 has 2 divisors, whose sum is σ = 61170. Its totient is φ = 61168.

The previous prime is 61153. The next prime is 61211. The reversal of 61169 is 96116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48400 + 12769 = 220^2 + 113^2 .

It is a cyclic number.

It is not a de Polignac number, because 61169 - 2⁴ = 61153 is a prime.

It is a super-2 number, since 2×61169² = 7483293122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61129) 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, 30584 + 30585.

It is an arithmetic number, because the mean of its divisors is an integer number (30585).

2⁶¹¹⁶⁹ is an apocalyptic number.

It is an amenable number.

61169 is a deficient number, since it is larger than the sum of its proper divisors (1).

61169 is an equidigital number, since it uses as much as digits as its factorization.

61169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 23.

The square root of 61169 is about 247.3236745643. The cubic root of 61169 is about 39.4012917542.

The spelling of 61169 in words is "sixty-one thousand, one hundred sixty-nine".