990351301 has 2 divisors, whose sum is σ = 990351302. Its totient is φ = 990351300.

The previous prime is 990351293. The next prime is 990351311. The reversal of 990351301 is 103153099.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 971818276 + 18533025 = 31174^2 + 4305^2 .

It is a cyclic number.

It is not a de Polignac number, because 990351301 - 2³ = 990351293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (990351311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495175650 + 495175651.

It is an arithmetic number, because the mean of its divisors is an integer number (495175651).

Almost surely, 2^990351301 is an apocalyptic number.

It is an amenable number.

990351301 is a deficient number, since it is larger than the sum of its proper divisors (1).

990351301 is an equidigital number, since it uses as much as digits as its factorization.

990351301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3645, while the sum is 31.

The square root of 990351301 is about 31469.8474893032. The cubic root of 990351301 is about 996.7733670374.

The spelling of 990351301 in words is "nine hundred ninety million, three hundred fifty-one thousand, three hundred one".