994234253 has 2 divisors, whose sum is σ = 994234254. Its totient is φ = 994234252.

The previous prime is 994234243. The next prime is 994234259. The reversal of 994234253 is 352432499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 938687044 + 55547209 = 30638^2 + 7453^2 .

It is an emirp because it is prime and its reverse (352432499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 994234253 - 2⁸ = 994233997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 994234253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994234259) 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, 497117126 + 497117127.

It is an arithmetic number, because the mean of its divisors is an integer number (497117127).

Almost surely, 2^994234253 is an apocalyptic number.

It is an amenable number.

994234253 is a deficient number, since it is larger than the sum of its proper divisors (1).

994234253 is an equidigital number, since it uses as much as digits as its factorization.

994234253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 41.

The square root of 994234253 is about 31531.4803490099. The cubic root of 994234253 is about 998.0743786960.

The spelling of 994234253 in words is "nine hundred ninety-four million, two hundred thirty-four thousand, two hundred fifty-three".