997513753 has 8 divisors (see below), whose sum is σ = 1037803520. Its totient is φ = 957731040.

The previous prime is 997513681. The next prime is 997513757. The reversal of 997513753 is 357315799.

It is a happy number.

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 997513753 - 2²¹ = 995416601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 997513697 and 997513706.

It is not an unprimeable number, because it can be changed into a prime (997513757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122748 + ... + 130621.

It is an arithmetic number, because the mean of its divisors is an integer number (129725440).

Almost surely, 2^997513753 is an apocalyptic number.

It is an amenable number.

997513753 is a deficient number, since it is larger than the sum of its proper divisors (40289767).

997513753 is a wasteful number, since it uses less digits than its factorization.

997513753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253527.

The product of its digits is 893025, while the sum is 49.

The square root of 997513753 is about 31583.4411203086. The cubic root of 997513753 is about 999.1705632248.

The spelling of 997513753 in words is "nine hundred ninety-seven million, five hundred thirteen thousand, seven hundred fifty-three".