2671237 has 4 divisors (see below), whose sum is σ = 2680960. Its totient is φ = 2661516.

The previous prime is 2671231. The next prime is 2671241. The reversal of 2671237 is 7321762.

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 2671237 - 2¹⁵ = 2638469 is a prime.

It is a super-2 number, since 2×2671237² = 14271014220338, which contains 22 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 (2671231) 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, 4437 + ... + 5002.

It is an arithmetic number, because the mean of its divisors is an integer number (670240).

2^2671237 is an apocalyptic number.

It is an amenable number.

2671237 is a deficient number, since it is larger than the sum of its proper divisors (9723).

2671237 is an equidigital number, since it uses as much as digits as its factorization.

2671237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9722.

The product of its digits is 3528, while the sum is 28.

The square root of 2671237 is about 1634.3919358587. The cubic root of 2671237 is about 138.7514319577.

Adding to 2671237 its reverse (7321762), we get a palindrome (9992999).

The spelling of 2671237 in words is "two million, six hundred seventy-one thousand, two hundred thirty-seven".