2261711 has 4 divisors (see below), whose sum is σ = 2266152. Its totient is φ = 2257272.

The previous prime is 2261689. The next prime is 2261713. The reversal of 2261711 is 1171622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2261711 - 2¹⁸ = 1999567 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261713) 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, 1340 + ... + 2513.

It is an arithmetic number, because the mean of its divisors is an integer number (566538).

2^2261711 is an apocalyptic number.

2261711 is a deficient number, since it is larger than the sum of its proper divisors (4441).

2261711 is an equidigital number, since it uses as much as digits as its factorization.

2261711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4440.

The product of its digits is 168, while the sum is 20.

The square root of 2261711 is about 1503.8986003052. The cubic root of 2261711 is about 131.2640208756.

The spelling of 2261711 in words is "two million, two hundred sixty-one thousand, seven hundred eleven".