1606532201 has 2 divisors, whose sum is σ = 1606532202. Its totient is φ = 1606532200.

The previous prime is 1606532177. The next prime is 1606532209. The reversal of 1606532201 is 1022356061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1407750400 + 198781801 = 37520^2 + 14099^2 .

It is a cyclic number.

It is not a de Polignac number, because 1606532201 - 2¹⁴ = 1606515817 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1606532209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803266100 + 803266101.

It is an arithmetic number, because the mean of its divisors is an integer number (803266101).

Almost surely, 2^1606532201 is an apocalyptic number.

1606532201 is the 21425-th centered heptagonal number.

It is an amenable number.

1606532201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606532201 is an equidigital number, since it uses as much as digits as its factorization.

1606532201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1606532201 is about 40081.5693430285. The cubic root of 1606532201 is about 1171.1966233937.

Adding to 1606532201 its reverse (1022356061), we get a palindrome (2628888262).

The spelling of 1606532201 in words is "one billion, six hundred six million, five hundred thirty-two thousand, two hundred one".