2160461 has 2 divisors, whose sum is σ = 2160462. Its totient is φ = 2160460.

The previous prime is 2160443. The next prime is 2160463. The reversal of 2160461 is 1640612.

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., 2157961 + 2500 = 1469^2 + 50^2 .

It is a cyclic number.

It is not a de Polignac number, because 2160461 - 2¹⁸ = 1898317 is a prime.

Together with 2160463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2160463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080230 + 1080231.

It is an arithmetic number, because the mean of its divisors is an integer number (1080231).

2^2160461 is an apocalyptic number.

It is an amenable number.

2160461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2160461 is an equidigital number, since it uses as much as digits as its factorization.

2160461 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 2160461 is about 1469.8506726875. The cubic root of 2160461 is about 129.2752769921.

The spelling of 2160461 in words is "two million, one hundred sixty thousand, four hundred sixty-one".