5161241391 has 8 divisors (see below), whose sum is σ = 6883249920. Its totient is φ = 3440030232.

The previous prime is 5161241369. The next prime is 5161241419. The reversal of 5161241391 is 1931421615.

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

It is not a de Polignac number, because 5161241391 - 2¹⁹ = 5160717103 is a prime.

It is a super-2 number, since 2×5161241391² = 53276825392343229762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5161241311) 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 7 ways as a sum of consecutive naturals, for example, 184071 + ... + 210248.

It is an arithmetic number, because the mean of its divisors is an integer number (860406240).

Almost surely, 2^5161241391 is an apocalyptic number.

5161241391 is a deficient number, since it is larger than the sum of its proper divisors (1722008529).

5161241391 is a wasteful number, since it uses less digits than its factorization.

5161241391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398685.

The product of its digits is 6480, while the sum is 33.

The square root of 5161241391 is about 71841.7802605141. The cubic root of 5161241391 is about 1728.1630842764.

The spelling of 5161241391 in words is "five billion, one hundred sixty-one million, two hundred forty-one thousand, three hundred ninety-one".