997037 has 2 divisors, whose sum is σ = 997038. Its totient is φ = 997036.

The previous prime is 997021. The next prime is 997043. The reversal of 997037 is 730799.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 885481 + 111556 = 941^2 + 334^2 .

It is an emirp because it is prime and its reverse (730799) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 997037 - 2⁴ = 997021 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 996988 and 997006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (997057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498518 + 498519.

It is an arithmetic number, because the mean of its divisors is an integer number (498519).

2⁹⁹⁷⁰³⁷ is an apocalyptic number.

It is an amenable number.

997037 is a deficient number, since it is larger than the sum of its proper divisors (1).

997037 is an equidigital number, since it uses as much as digits as its factorization.

997037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11907, while the sum is 35.

The square root of 997037 is about 998.5174009500. The cubic root of 997037 is about 99.9011356239.

The spelling of 997037 in words is "nine hundred ninety-seven thousand, thirty-seven".