1606413293 has 2 divisors, whose sum is σ = 1606413294. Its totient is φ = 1606413292.

The previous prime is 1606413241. The next prime is 1606413313. The reversal of 1606413293 is 3923146061.

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., 1601040169 + 5373124 = 40013^2 + 2318^2 .

It is a cyclic number.

It is not a de Polignac number, because 1606413293 - 2⁶ = 1606413229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1606410293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803206646 + 803206647.

It is an arithmetic number, because the mean of its divisors is an integer number (803206647).

Almost surely, 2^1606413293 is an apocalyptic number.

It is an amenable number.

1606413293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606413293 is an equidigital number, since it uses as much as digits as its factorization.

1606413293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 1606413293 is about 40080.0859904267. The cubic root of 1606413293 is about 1171.1677271820.

The spelling of 1606413293 in words is "one billion, six hundred six million, four hundred thirteen thousand, two hundred ninety-three".