2536874161 has 4 divisors (see below), whose sum is σ = 2578462324. Its totient is φ = 2495286000.

The previous prime is 2536874159. The next prime is 2536874201. The reversal of 2536874161 is 1614786352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 711875761 + 1824998400 = 26681^2 + 42720^2 .

It is a cyclic number.

It is not a de Polignac number, because 2536874161 - 2¹ = 2536874159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2536874111) 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, 20793990 + ... + 20794111.

It is an arithmetic number, because the mean of its divisors is an integer number (644615581).

Almost surely, 2^2536874161 is an apocalyptic number.

It is an amenable number.

2536874161 is a deficient number, since it is larger than the sum of its proper divisors (41588163).

2536874161 is an equidigital number, since it uses as much as digits as its factorization.

2536874161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41588162.

The product of its digits is 241920, while the sum is 43.

The square root of 2536874161 is about 50367.3918423418. The cubic root of 2536874161 is about 1363.8490588485.

The spelling of 2536874161 in words is "two billion, five hundred thirty-six million, eight hundred seventy-four thousand, one hundred sixty-one".