5197057247 has 4 divisors (see below), whose sum is σ = 5198383920. Its totient is φ = 5195730576.

The previous prime is 5197057237. The next prime is 5197057249. The reversal of 5197057247 is 7427507915.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5197057247 - 2¹⁸ = 5196795103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5197057249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657443 + ... + 665300.

It is an arithmetic number, because the mean of its divisors is an integer number (1299595980).

Almost surely, 2^5197057247 is an apocalyptic number.

5197057247 is a deficient number, since it is larger than the sum of its proper divisors (1326673).

5197057247 is a wasteful number, since it uses less digits than its factorization.

5197057247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326672.

The product of its (nonzero) digits is 617400, while the sum is 47.

The square root of 5197057247 is about 72090.6183008580. The cubic root of 5197057247 is about 1732.1513377665.

The spelling of 5197057247 in words is "five billion, one hundred ninety-seven million, fifty-seven thousand, two hundred forty-seven".