994732243 has 2 divisors, whose sum is σ = 994732244. Its totient is φ = 994732242.

The previous prime is 994732217. The next prime is 994732253. The reversal of 994732243 is 342237499.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 994732243 - 2¹³ = 994724051 is a prime.

It is a super-2 number, since 2×994732243² = 1978984470527622098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 994732243.

It is not a weakly prime, because it can be changed into another prime (994732253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497366121 + 497366122.

It is an arithmetic number, because the mean of its divisors is an integer number (497366122).

Almost surely, 2^994732243 is an apocalyptic number.

994732243 is a deficient number, since it is larger than the sum of its proper divisors (1).

994732243 is an equidigital number, since it uses as much as digits as its factorization.

994732243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 43.

The square root of 994732243 is about 31539.3760718249. The cubic root of 994732243 is about 998.2409886934.

The spelling of 994732243 in words is "nine hundred ninety-four million, seven hundred thirty-two thousand, two hundred forty-three".