5249577161 has 4 divisors (see below), whose sum is σ = 5252269824. Its totient is φ = 5246884500.

The previous prime is 5249577149. The next prime is 5249577167. The reversal of 5249577161 is 1617759425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5249577161 - 2²⁶ = 5182468297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5249577167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1343405 + ... + 1347306.

It is an arithmetic number, because the mean of its divisors is an integer number (1313067456).

Almost surely, 2^5249577161 is an apocalyptic number.

It is an amenable number.

5249577161 is a deficient number, since it is larger than the sum of its proper divisors (2692663).

5249577161 is a wasteful number, since it uses less digits than its factorization.

5249577161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692662.

The product of its digits is 529200, while the sum is 47.

The square root of 5249577161 is about 72453.9658058826. The cubic root of 5249577161 is about 1737.9666608848.

The spelling of 5249577161 in words is "five billion, two hundred forty-nine million, five hundred seventy-seven thousand, one hundred sixty-one".