5187093581 has 8 divisors (see below), whose sum is σ = 5278792344. Its totient is φ = 5095609920.

The previous prime is 5187093551. The next prime is 5187093643. The reversal of 5187093581 is 1853907815.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 44769481 + 5142324100 = 6691^2 + 71710^2 .

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 5187093581 - 2¹⁸ = 5186831437 is a prime.

It is a super-2 number, since 2×5187093581² = 53811879636102807122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5187093511) 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, 4730 + ... + 101963.

It is an arithmetic number, because the mean of its divisors is an integer number (659849043).

Almost surely, 2^5187093581 is an apocalyptic number.

It is an amenable number.

5187093581 is a deficient number, since it is larger than the sum of its proper divisors (91698763).

5187093581 is a wasteful number, since it uses less digits than its factorization.

5187093581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107551.

The product of its (nonzero) digits is 302400, while the sum is 47.

The square root of 5187093581 is about 72021.4799972897. The cubic root of 5187093581 is about 1731.0436841099.

The spelling of 5187093581 in words is "five billion, one hundred eighty-seven million, ninety-three thousand, five hundred eighty-one".