2406161 has 2 divisors, whose sum is σ = 2406162. Its totient is φ = 2406160.

The previous prime is 2406149. The next prime is 2406169. The reversal of 2406161 is 1616042.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2119936 + 286225 = 1456^2 + 535^2 .

It is a cyclic number.

It is not a de Polignac number, because 2406161 - 2⁶ = 2406097 is a prime.

It is a super-2 number, since 2×2406161² = 11579221515842, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2406169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1203080 + 1203081.

It is an arithmetic number, because the mean of its divisors is an integer number (1203081).

2^2406161 is an apocalyptic number.

It is an amenable number.

2406161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2406161 is an equidigital number, since it uses as much as digits as its factorization.

2406161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2406161 is about 1551.1805181861. The cubic root of 2406161 is about 134.0010581338.

The spelling of 2406161 in words is "two million, four hundred six thousand, one hundred sixty-one".