2016461 has 2 divisors, whose sum is σ = 2016462. Its totient is φ = 2016460.

The previous prime is 2016449. The next prime is 2016493. The reversal of 2016461 is 1646102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1974025 + 42436 = 1405^2 + 206^2 .

It is a cyclic number.

It is not a de Polignac number, because 2016461 - 2⁶ = 2016397 is a prime.

It is a super-2 number, since 2×2016461² = 8132229929042, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2016401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1008230 + 1008231.

It is an arithmetic number, because the mean of its divisors is an integer number (1008231).

2^2016461 is an apocalyptic number.

It is an amenable number.

2016461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2016461 is an equidigital number, since it uses as much as digits as its factorization.

2016461 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 2016461 is about 1420.0214787108. The cubic root of 2016461 is about 126.3368203257.

The spelling of 2016461 in words is "two million, sixteen thousand, four hundred sixty-one".