997537083 has 4 divisors (see below), whose sum is σ = 1330049448. Its totient is φ = 665024720.

The previous prime is 997537081. The next prime is 997537103. The reversal of 997537083 is 380735799.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 997537083 - 2¹ = 997537081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (997537081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166256178 + ... + 166256183.

It is an arithmetic number, because the mean of its divisors is an integer number (332512362).

Almost surely, 2^997537083 is an apocalyptic number.

997537083 is a deficient number, since it is larger than the sum of its proper divisors (332512365).

997537083 is a wasteful number, since it uses less digits than its factorization.

997537083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332512364.

The product of its (nonzero) digits is 1428840, while the sum is 51.

The square root of 997537083 is about 31583.8104572580. The cubic root of 997537083 is about 999.1783527474.

The spelling of 997537083 in words is "nine hundred ninety-seven million, five hundred thirty-seven thousand, eighty-three".