994210801 has 2 divisors, whose sum is σ = 994210802. Its totient is φ = 994210800.

The previous prime is 994210751. The next prime is 994210807. The reversal of 994210801 is 108012499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 610090000 + 384120801 = 24700^2 + 19599^2 .

It is a cyclic number.

It is not a de Polignac number, because 994210801 - 2⁹ = 994210289 is a prime.

It is not a weakly prime, because it can be changed into another prime (994210807) 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, 497105400 + 497105401.

It is an arithmetic number, because the mean of its divisors is an integer number (497105401).

Almost surely, 2^994210801 is an apocalyptic number.

It is an amenable number.

994210801 is a deficient number, since it is larger than the sum of its proper divisors (1).

994210801 is an equidigital number, since it uses as much as digits as its factorization.

994210801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 994210801 is about 31531.1084644990. The cubic root of 994210801 is about 998.0665311073.

The spelling of 994210801 in words is "nine hundred ninety-four million, two hundred ten thousand, eight hundred one".