2013437 has 4 divisors (see below), whose sum is σ = 2027100. Its totient is φ = 1999776.

The previous prime is 2013409. The next prime is 2013439. The reversal of 2013437 is 7343102.

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 606841 + 1406596 = 779^2 + 1186^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013437 - 2⁸ = 2013181 is a prime.

It is a super-3 number, since 3×2013437³ = 24486989231712733359, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013439) 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, 6608 + ... + 6905.

It is an arithmetic number, because the mean of its divisors is an integer number (506775).

2^2013437 is an apocalyptic number.

It is an amenable number.

2013437 is a deficient number, since it is larger than the sum of its proper divisors (13663).

2013437 is a wasteful number, since it uses less digits than its factorization.

2013437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13662.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 2013437 is about 1418.9563065859. The cubic root of 2013437 is about 126.2736347609.

Adding to 2013437 its reverse (7343102), we get a palindrome (9356539).

The spelling of 2013437 in words is "two million, thirteen thousand, four hundred thirty-seven".