997075 has 6 divisors (see below), whose sum is σ = 1236404. Its totient is φ = 797640.

The previous prime is 997069. The next prime is 997081. The reversal of 997075 is 570799.

It is an interprime number because it is at equal distance from previous prime (997069) and next prime (997081).

It is not a de Polignac number, because 997075 - 2⁵ = 997043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 19917 + ... + 19966.

2⁹⁹⁷⁰⁷⁵ is an apocalyptic number.

997075 is a deficient number, since it is larger than the sum of its proper divisors (239329).

997075 is a wasteful number, since it uses less digits than its factorization.

997075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39893 (or 39888 counting only the distinct ones).

The product of its (nonzero) digits is 19845, while the sum is 37.

The square root of 997075 is about 998.5364289799. The cubic root of 997075 is about 99.9024047827.

The spelling of 997075 in words is "nine hundred ninety-seven thousand, seventy-five".