2672261 has 4 divisors (see below), whose sum is σ = 2676492. Its totient is φ = 2668032.

The previous prime is 2672249. The next prime is 2672273. The reversal of 2672261 is 1622762.

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

It is an interprime number because it is at equal distance from previous prime (2672249) and next prime (2672273).

It can be written as a sum of positive squares in 2 ways, for example, as 93025 + 2579236 = 305^2 + 1606^2 .

It is a cyclic number.

It is not a de Polignac number, because 2672261 - 2¹⁸ = 2410117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2672261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2675261) 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, 956 + ... + 2501.

It is an arithmetic number, because the mean of its divisors is an integer number (669123).

2^2672261 is an apocalyptic number.

It is an amenable number.

2672261 is a deficient number, since it is larger than the sum of its proper divisors (4231).

2672261 is an equidigital number, since it uses as much as digits as its factorization.

2672261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4230.

The product of its digits is 2016, while the sum is 26.

The square root of 2672261 is about 1634.7051721947. The cubic root of 2672261 is about 138.7691594893.

The spelling of 2672261 in words is "two million, six hundred seventy-two thousand, two hundred sixty-one".