997464529 has 8 divisors (see below), whose sum is σ = 1043677440. Its totient is φ = 951488736.

The previous prime is 997464521. The next prime is 997464553. The reversal of 997464529 is 925464799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 997464529 - 2³ = 997464521 is a prime.

It is a super-2 number, since 2×997464529² = 1989870973226383682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 997464529.

It is not an unprimeable number, because it can be changed into a prime (997464521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50644 + ... + 67525.

It is an arithmetic number, because the mean of its divisors is an integer number (130459680).

Almost surely, 2^997464529 is an apocalyptic number.

997464529 is the 16882-nd nonagonal number.

It is an amenable number.

997464529 is a deficient number, since it is larger than the sum of its proper divisors (46212911).

997464529 is a wasteful number, since it uses less digits than its factorization.

997464529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118559.

The product of its digits is 4898880, while the sum is 55.

The square root of 997464529 is about 31582.6618415864. The cubic root of 997464529 is about 999.1541277018.

The spelling of 997464529 in words is "nine hundred ninety-seven million, four hundred sixty-four thousand, five hundred twenty-nine".