2736161 has 4 divisors (see below), whose sum is σ = 2750532. Its totient is φ = 2721792.

The previous prime is 2736157. The next prime is 2736169. The reversal of 2736161 is 1616372.

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 1960000 + 776161 = 1400^2 + 881^2 .

It is a cyclic number.

It is not a de Polignac number, because 2736161 - 2² = 2736157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2736161.

It is not an unprimeable number, because it can be changed into a prime (2736169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6896 + ... + 7281.

It is an arithmetic number, because the mean of its divisors is an integer number (687633).

2^2736161 is an apocalyptic number.

It is an amenable number.

2736161 is a deficient number, since it is larger than the sum of its proper divisors (14371).

2736161 is a wasteful number, since it uses less digits than its factorization.

2736161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14370.

The product of its digits is 1512, while the sum is 26.

The square root of 2736161 is about 1654.1345169000. The cubic root of 2736161 is about 139.8665565199.

The spelling of 2736161 in words is "two million, seven hundred thirty-six thousand, one hundred sixty-one".