2477161 has 2 divisors, whose sum is σ = 2477162. Its totient is φ = 2477160.

The previous prime is 2477159. The next prime is 2477171. The reversal of 2477161 is 1617742.

2477161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1771561 + 705600 = 1331^2 + 840^2 .

It is a cyclic number.

It is not a de Polignac number, because 2477161 - 2¹ = 2477159 is a prime.

It is a super-2 number, since 2×2477161² = 12272653239842, which contains 22 as substring.

Together with 2477159, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2477131) 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, 1238580 + 1238581.

It is an arithmetic number, because the mean of its divisors is an integer number (1238581).

2^2477161 is an apocalyptic number.

It is an amenable number.

2477161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2477161 is an equidigital number, since it uses as much as digits as its factorization.

2477161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2352, while the sum is 28.

The square root of 2477161 is about 1573.8999332867. The cubic root of 2477161 is about 135.3063186039.

The spelling of 2477161 in words is "two million, four hundred seventy-seven thousand, one hundred sixty-one".