1606250573 has 2 divisors, whose sum is σ = 1606250574. Its totient is φ = 1606250572.

The previous prime is 1606250543. The next prime is 1606250587. The reversal of 1606250573 is 3750526061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1606246084 + 4489 = 40078^2 + 67^2 .

It is an emirp because it is prime and its reverse (3750526061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1606250573 - 2¹⁸ = 1605988429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1606250543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803125286 + 803125287.

It is an arithmetic number, because the mean of its divisors is an integer number (803125287).

Almost surely, 2^1606250573 is an apocalyptic number.

It is an amenable number.

1606250573 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606250573 is an equidigital number, since it uses as much as digits as its factorization.

1606250573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 1606250573 is about 40078.0560032544. The cubic root of 1606250573 is about 1171.1281817656.

The spelling of 1606250573 in words is "one billion, six hundred six million, two hundred fifty thousand, five hundred seventy-three".