607328021 has 2 divisors, whose sum is σ = 607328022. Its totient is φ = 607328020.

The previous prime is 607327979. The next prime is 607328047. The reversal of 607328021 is 120823706.

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., 600495025 + 6832996 = 24505^2 + 2614^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-607328021 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (607328081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303664010 + 303664011.

It is an arithmetic number, because the mean of its divisors is an integer number (303664011).

Almost surely, 2^607328021 is an apocalyptic number.

It is an amenable number.

607328021 is a deficient number, since it is larger than the sum of its proper divisors (1).

607328021 is an equidigital number, since it uses as much as digits as its factorization.

607328021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 607328021 is about 24644.0260712409. The cubic root of 607328021 is about 846.8524982352.

The spelling of 607328021 in words is "six hundred seven million, three hundred twenty-eight thousand, twenty-one".