2066501 has 2 divisors, whose sum is σ = 2066502. Its totient is φ = 2066500.

The previous prime is 2066473. The next prime is 2066507. The reversal of 2066501 is 1056602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1442401 + 624100 = 1201^2 + 790^2 .

It is a cyclic number.

It is not a de Polignac number, because 2066501 - 2⁶ = 2066437 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2066507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033250 + 1033251.

It is an arithmetic number, because the mean of its divisors is an integer number (1033251).

2^2066501 is an apocalyptic number.

It is an amenable number.

2066501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066501 is an equidigital number, since it uses as much as digits as its factorization.

2066501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2066501 is about 1437.5329561440. The cubic root of 2066501 is about 127.3733408332.

The spelling of 2066501 in words is "two million, sixty-six thousand, five hundred one".