2671247 has 4 divisors (see below), whose sum is σ = 2681376. Its totient is φ = 2661120.

The previous prime is 2671241. The next prime is 2671271. The reversal of 2671247 is 7421762.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7421762 = 2 ⋅3710881.

It is a cyclic number.

It is not a de Polignac number, because 2671247 - 2⁴ = 2671231 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 (2671241) 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, 4658 + ... + 5199.

It is an arithmetic number, because the mean of its divisors is an integer number (670344).

2^2671247 is an apocalyptic number.

2671247 is a deficient number, since it is larger than the sum of its proper divisors (10129).

2671247 is an equidigital number, since it uses as much as digits as its factorization.

2671247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10128.

The product of its digits is 4704, while the sum is 29.

The square root of 2671247 is about 1634.3949950976. The cubic root of 2671247 is about 138.7516051001.

The spelling of 2671247 in words is "two million, six hundred seventy-one thousand, two hundred forty-seven".