5187024397 has 4 divisors (see below), whose sum is σ = 5245305660. Its totient is φ = 5128743136.

The previous prime is 5187024389. The next prime is 5187024433. The reversal of 5187024397 is 7934207815.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2030944356 + 3156080041 = 45066^2 + 56179^2 .

It is a cyclic number.

It is not a de Polignac number, because 5187024397 - 2³ = 5187024389 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 (5187024347) 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 3 ways as a sum of consecutive naturals, for example, 29140498 + ... + 29140675.

It is an arithmetic number, because the mean of its divisors is an integer number (1311326415).

Almost surely, 2^5187024397 is an apocalyptic number.

It is an amenable number.

5187024397 is a deficient number, since it is larger than the sum of its proper divisors (58281263).

5187024397 is an equidigital number, since it uses as much as digits as its factorization.

5187024397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58281262.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 5187024397 is about 72020.9996945335. Note that the first 3 decimals coincide. The cubic root of 5187024397 is about 1731.0359880173.

It can be divided in two parts, 51870 and 24397, that added together give a palindrome (76267).

The spelling of 5187024397 in words is "five billion, one hundred eighty-seven million, twenty-four thousand, three hundred ninety-seven".