606341621 has 2 divisors, whose sum is σ = 606341622. Its totient is φ = 606341620.

The previous prime is 606341611. The next prime is 606341641. The reversal of 606341621 is 126143606.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 591170596 + 15171025 = 24314^2 + 3895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606341621 is a prime.

It is a super-2 number, since 2×606341621² = 735300322713815282, which contains 22 as substring.

It is a Chen prime.

It is equal to p_31638611 and since 606341621 and 31638611 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (606341611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303170810 + 303170811.

It is an arithmetic number, because the mean of its divisors is an integer number (303170811).

Almost surely, 2^606341621 is an apocalyptic number.

It is an amenable number.

606341621 is a deficient number, since it is larger than the sum of its proper divisors (1).

606341621 is an equidigital number, since it uses as much as digits as its factorization.

606341621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 606341621 is about 24624.0049748208. The cubic root of 606341621 is about 846.3937741607.

The spelling of 606341621 in words is "six hundred six million, three hundred forty-one thousand, six hundred twenty-one".