997458513 has 8 divisors (see below), whose sum is σ = 1330295808. Its totient is φ = 664796784.

The previous prime is 997458499. The next prime is 997458529. The reversal of 997458513 is 315854799.

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

It is not a de Polignac number, because 997458513 - 2²⁹ = 460587601 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (997458533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30006 + ... + 53807.

It is an arithmetic number, because the mean of its divisors is an integer number (166286976).

Almost surely, 2^997458513 is an apocalyptic number.

It is an amenable number.

997458513 is a deficient number, since it is larger than the sum of its proper divisors (332837295).

997458513 is a wasteful number, since it uses less digits than its factorization.

997458513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87783.

The product of its digits is 1360800, while the sum is 51.

The square root of 997458513 is about 31582.5665993123. The cubic root of 997458513 is about 999.1521189676.

The spelling of 997458513 in words is "nine hundred ninety-seven million, four hundred fifty-eight thousand, five hundred thirteen".