992150681 has 2 divisors, whose sum is σ = 992150682. Its totient is φ = 992150680.

The previous prime is 992150657. The next prime is 992150689. The reversal of 992150681 is 186051299.

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., 583464025 + 408686656 = 24155^2 + 20216^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-992150681 is a prime.

It is a super-2 number, since 2×992150681² = 1968725947617527522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (992150689) 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, 496075340 + 496075341.

It is an arithmetic number, because the mean of its divisors is an integer number (496075341).

Almost surely, 2^992150681 is an apocalyptic number.

It is an amenable number.

992150681 is a deficient number, since it is larger than the sum of its proper divisors (1).

992150681 is an equidigital number, since it uses as much as digits as its factorization.

992150681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 992150681 is about 31498.4234684849. The cubic root of 992150681 is about 997.3766845672.

The spelling of 992150681 in words is "nine hundred ninety-two million, one hundred fifty thousand, six hundred eighty-one".