2261367 has 6 divisors (see below), whose sum is σ = 3266432. Its totient is φ = 1507572.

The previous prime is 2261353. The next prime is 2261377. The reversal of 2261367 is 7631622.

It is a happy number.

It is not a de Polignac number, because 2261367 - 2⁸ = 2261111 is a prime.

It is a super-2 number, since 2×2261367² = 10227561417378, which contains 22 as substring.

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 2261367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261377) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125623 + ... + 125640.

2^2261367 is an apocalyptic number.

2261367 is a deficient number, since it is larger than the sum of its proper divisors (1005065).

2261367 is a wasteful number, since it uses less digits than its factorization.

2261367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251269 (or 251266 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 2261367 is about 1503.7842265432. The cubic root of 2261367 is about 131.2573655730.

Adding to 2261367 its reverse (7631622), we get a palindrome (9892989).

It can be divided in two parts, 2261 and 367, that added together give a triangular number (2628 = T₇₂).

The spelling of 2261367 in words is "two million, two hundred sixty-one thousand, three hundred sixty-seven".