997495 has 4 divisors (see below), whose sum is σ = 1197000. Its totient is φ = 797992.

The previous prime is 997463. The next prime is 997511. The reversal of 997495 is 594799.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 594799 = 383 ⋅1553.

It is a cyclic number.

It is not a de Polignac number, because 997495 - 2⁵ = 997463 is a prime.

997495 is a lucky number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 99745 + ... + 99754.

It is an arithmetic number, because the mean of its divisors is an integer number (299250).

2⁹⁹⁷⁴⁹⁵ is an apocalyptic number.

997495 is a deficient number, since it is larger than the sum of its proper divisors (199505).

997495 is a wasteful number, since it uses less digits than its factorization.

997495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199504.

The product of its digits is 102060, while the sum is 43.

The square root of 997495 is about 998.7467146379. The cubic root of 997495 is about 99.9164301803.

The spelling of 997495 in words is "nine hundred ninety-seven thousand, four hundred ninety-five".