1606201301 has 2 divisors, whose sum is σ = 1606201302. Its totient is φ = 1606201300.

The previous prime is 1606201291. The next prime is 1606201307. The reversal of 1606201301 is 1031026061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1381980625 + 224220676 = 37175^2 + 14974^2 .

It is a cyclic number.

It is not a de Polignac number, because 1606201301 - 2¹⁴ = 1606184917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1606201307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803100650 + 803100651.

It is an arithmetic number, because the mean of its divisors is an integer number (803100651).

Almost surely, 2^1606201301 is an apocalyptic number.

It is an amenable number.

1606201301 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606201301 is an equidigital number, since it uses as much as digits as its factorization.

1606201301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1606201301 is about 40077.4412980669. The cubic root of 1606201301 is about 1171.1162067934.

Adding to 1606201301 its reverse (1031026061), we get a palindrome (2637227362).

The spelling of 1606201301 in words is "one billion, six hundred six million, two hundred one thousand, three hundred one".