997110043 has 2 divisors, whose sum is σ = 997110044. Its totient is φ = 997110042.

The previous prime is 997110019. The next prime is 997110047. The reversal of 997110043 is 340011799.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 997110043 - 2⁵ = 997110011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 997109990 and 997110008.

It is not a weakly prime, because it can be changed into another prime (997110047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498555021 + 498555022.

It is an arithmetic number, because the mean of its divisors is an integer number (498555022).

Almost surely, 2^997110043 is an apocalyptic number.

997110043 is a deficient number, since it is larger than the sum of its proper divisors (1).

997110043 is an equidigital number, since it uses as much as digits as its factorization.

997110043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 997110043 is about 31577.0493080022. The cubic root of 997110043 is about 999.0357515237.

The spelling of 997110043 in words is "nine hundred ninety-seven million, one hundred ten thousand, forty-three".