990612053 has 2 divisors, whose sum is σ = 990612054. Its totient is φ = 990612052.

The previous prime is 990612043. The next prime is 990612059. The reversal of 990612053 is 350216099.

990612053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 975812644 + 14799409 = 31238^2 + 3847^2 .

It is a cyclic number.

It is not a de Polignac number, because 990612053 - 2¹² = 990607957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (990612059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495306026 + 495306027.

It is an arithmetic number, because the mean of its divisors is an integer number (495306027).

Almost surely, 2^990612053 is an apocalyptic number.

It is an amenable number.

990612053 is a deficient number, since it is larger than the sum of its proper divisors (1).

990612053 is an equidigital number, since it uses as much as digits as its factorization.

990612053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 990612053 is about 31473.9901029406. The cubic root of 990612053 is about 996.8608403213.

The spelling of 990612053 in words is "nine hundred ninety million, six hundred twelve thousand, fifty-three".