2418161 has 2 divisors, whose sum is σ = 2418162. Its totient is φ = 2418160.

The previous prime is 2418137. The next prime is 2418173. The reversal of 2418161 is 1618142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2383936 + 34225 = 1544^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 2418161 - 2¹⁸ = 2156017 is a prime.

It is equal to p₁₇₇₅₃₀ and since 2418161 and 177530 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 (2418181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1209080 + 1209081.

It is an arithmetic number, because the mean of its divisors is an integer number (1209081).

2^2418161 is an apocalyptic number.

It is an amenable number.

2418161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2418161 is an equidigital number, since it uses as much as digits as its factorization.

2418161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 23.

The square root of 2418161 is about 1555.0437292887. The cubic root of 2418161 is about 134.2234520801.

It can be divided in two parts, 24181 and 61, that added together give a palindrome (24242).

The spelling of 2418161 in words is "two million, four hundred eighteen thousand, one hundred sixty-one".