5250161591 has 8 divisors (see below), whose sum is σ = 5307210720. Its totient is φ = 5193298432.

The previous prime is 5250161573. The next prime is 5250161593. The reversal of 5250161591 is 1951610525.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5250161591 is a prime.

It is a super-2 number, since 2×5250161591² = 55128393463223302562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5250161593) 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, 10655 + ... + 103023.

It is an arithmetic number, because the mean of its divisors is an integer number (663401340).

Almost surely, 2^5250161591 is an apocalyptic number.

5250161591 is a deficient number, since it is larger than the sum of its proper divisors (57049129).

5250161591 is a wasteful number, since it uses less digits than its factorization.

5250161591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92985.

The product of its (nonzero) digits is 13500, while the sum is 35.

The square root of 5250161591 is about 72457.9988062050. The cubic root of 5250161591 is about 1738.0311538356.

The spelling of 5250161591 in words is "five billion, two hundred fifty million, one hundred sixty-one thousand, five hundred ninety-one".