992006551 has 2 divisors, whose sum is σ = 992006552. Its totient is φ = 992006550.

The previous prime is 992006513. The next prime is 992006557. The reversal of 992006551 is 155600299.

992006551 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 is an emirp because it is prime and its reverse (155600299) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 992006551 - 2⁹ = 992006039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 992006551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (992006557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496003275 + 496003276.

It is an arithmetic number, because the mean of its divisors is an integer number (496003276).

Almost surely, 2^992006551 is an apocalyptic number.

992006551 is the 14086-th centered decagonal number.

992006551 is a deficient number, since it is larger than the sum of its proper divisors (1).

992006551 is an equidigital number, since it uses as much as digits as its factorization.

992006551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 992006551 is about 31496.1354931045. The cubic root of 992006551 is about 997.3283858340.

The spelling of 992006551 in words is "nine hundred ninety-two million, six thousand, five hundred fifty-one".