997032347 has 2 divisors, whose sum is σ = 997032348. Its totient is φ = 997032346.

The previous prime is 997032341. The next prime is 997032367. The reversal of 997032347 is 743230799.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 997032347 - 2²⁰ = 995983771 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 997032298 and 997032307.

It is not a weakly prime, because it can be changed into another prime (997032341) 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, 498516173 + 498516174.

It is an arithmetic number, because the mean of its divisors is an integer number (498516174).

Almost surely, 2^997032347 is an apocalyptic number.

997032347 is a deficient number, since it is larger than the sum of its proper divisors (1).

997032347 is an equidigital number, since it uses as much as digits as its factorization.

997032347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 44.

The square root of 997032347 is about 31575.8190234236. The cubic root of 997032347 is about 999.0098021652.

The spelling of 997032347 in words is "nine hundred ninety-seven million, thirty-two thousand, three hundred forty-seven".