997356283 has 32 divisors (see below), whose sum is σ = 1294917120. Its totient is φ = 745632000.

The previous prime is 997356271. The next prime is 997356299. The reversal of 997356283 is 382653799.

It is a cyclic number.

It is not a de Polignac number, because 997356283 - 2⁵ = 997356251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 997356283.

It is not an unprimeable number, because it can be changed into a prime (997356253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189988 + ... + 195166.

It is an arithmetic number, because the mean of its divisors is an integer number (40466160).

Almost surely, 2^997356283 is an apocalyptic number.

997356283 is a deficient number, since it is larger than the sum of its proper divisors (297560837).

997356283 is a wasteful number, since it uses less digits than its factorization.

997356283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5299.

The product of its digits is 2449440, while the sum is 52.

The square root of 997356283 is about 31580.9481016641. The cubic root of 997356283 is about 999.1179832752.

The spelling of 997356283 in words is "nine hundred ninety-seven million, three hundred fifty-six thousand, two hundred eighty-three".