2261671 has 8 divisors (see below), whose sum is σ = 2336400. Its totient is φ = 2188032.

The previous prime is 2261653. The next prime is 2261689. The reversal of 2261671 is 1761622.

It is an interprime number because it is at equal distance from previous prime (2261653) and next prime (2261689).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2261671 - 2⁵ = 2261639 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 (2261621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6231 + ... + 6583.

It is an arithmetic number, because the mean of its divisors is an integer number (292050).

2^2261671 is an apocalyptic number.

2261671 is a deficient number, since it is larger than the sum of its proper divisors (74729).

2261671 is a wasteful number, since it uses less digits than its factorization.

2261671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545.

The product of its digits is 1008, while the sum is 25.

The square root of 2261671 is about 1503.8853014775. The cubic root of 2261671 is about 131.2632470378.

The spelling of 2261671 in words is "two million, two hundred sixty-one thousand, six hundred seventy-one".