5161503539 has 4 divisors (see below), whose sum is σ = 5433161640. Its totient is φ = 4889845440.

The previous prime is 5161503533. The next prime is 5161503547. The reversal of 5161503539 is 9353051615.

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 5161503539 - 2⁸ = 5161503283 is a prime.

It is a super-2 number, since 2×5161503539² = 53282237566219049042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5161503533) 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, 135829022 + ... + 135829059.

It is an arithmetic number, because the mean of its divisors is an integer number (1358290410).

Almost surely, 2^5161503539 is an apocalyptic number.

5161503539 is a deficient number, since it is larger than the sum of its proper divisors (271658101).

5161503539 is a wasteful number, since it uses less digits than its factorization.

5161503539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271658100.

The product of its (nonzero) digits is 60750, while the sum is 38.

The square root of 5161503539 is about 71843.6047188614. The cubic root of 5161503539 is about 1728.1923425363.

The spelling of 5161503539 in words is "five billion, one hundred sixty-one million, five hundred three thousand, five hundred thirty-nine".