5115250591 has 4 divisors (see below), whose sum is σ = 5580273384. Its totient is φ = 4650227800.

The previous prime is 5115250589. The next prime is 5115250597. The reversal of 5115250591 is 1950525115.

It is a happy number.

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 5115250591 - 2¹ = 5115250589 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 (5115250597) 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, 232511380 + ... + 232511401.

It is an arithmetic number, because the mean of its divisors is an integer number (1395068346).

Almost surely, 2^5115250591 is an apocalyptic number.

5115250591 is a deficient number, since it is larger than the sum of its proper divisors (465022793).

5115250591 is a wasteful number, since it uses less digits than its factorization.

5115250591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465022792.

The product of its (nonzero) digits is 11250, while the sum is 34.

The square root of 5115250591 is about 71520.9800757792. The cubic root of 5115250591 is about 1723.0146553053.

The spelling of 5115250591 in words is "five billion, one hundred fifteen million, two hundred fifty thousand, five hundred ninety-one".