2162537 has 4 divisors (see below), whose sum is σ = 2328900. Its totient is φ = 1996176.

The previous prime is 2162509. The next prime is 2162543. The reversal of 2162537 is 7352612.

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 534361 + 1628176 = 731^2 + 1276^2 .

It is not a de Polignac number, because 2162537 - 2¹⁰ = 2161513 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83162 + ... + 83187.

It is an arithmetic number, because the mean of its divisors is an integer number (582225).

2^2162537 is an apocalyptic number.

It is an amenable number.

2162537 is a deficient number, since it is larger than the sum of its proper divisors (166363).

2162537 is a wasteful number, since it uses less digits than its factorization.

2162537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166362.

The product of its digits is 2520, while the sum is 26.

The square root of 2162537 is about 1470.5566973089. The cubic root of 2162537 is about 129.3166708674.

The spelling of 2162537 in words is "two million, one hundred sixty-two thousand, five hundred thirty-seven".