997330527 has 12 divisors (see below), whose sum is σ = 1443025584. Its totient is φ = 663762240.

The previous prime is 997330507. The next prime is 997330567. The reversal of 997330527 is 725033799.

997330527 is a `hidden beast` number, since 9 + 97 + 3 + 30 + 527 = 666.

It is not a de Polignac number, because 997330527 - 2¹⁵ = 997297759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997330507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88099 + ... + 98772.

It is an arithmetic number, because the mean of its divisors is an integer number (120252132).

Almost surely, 2^997330527 is an apocalyptic number.

997330527 is a deficient number, since it is larger than the sum of its proper divisors (445695057).

997330527 is a wasteful number, since it uses less digits than its factorization.

997330527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187470 (or 187467 counting only the distinct ones).

The product of its (nonzero) digits is 357210, while the sum is 45.

The square root of 997330527 is about 31580.5403215334. The cubic root of 997330527 is about 999.1093827030.

The spelling of 997330527 in words is "nine hundred ninety-seven million, three hundred thirty thousand, five hundred twenty-seven".