2261307 has 8 divisors (see below), whose sum is σ = 3032640. Its totient is φ = 1498760.

The previous prime is 2261297. The next prime is 2261309. The reversal of 2261307 is 7031622.

It is a happy number.

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 2261307 - 2¹⁴ = 2244923 is a prime.

It is a super-2 number, since 2×2261307² = 10227018696498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2261309) 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, 1569 + ... + 2642.

It is an arithmetic number, because the mean of its divisors is an integer number (379080).

2^2261307 is an apocalyptic number.

2261307 is a deficient number, since it is larger than the sum of its proper divisors (771333).

2261307 is a wasteful number, since it uses less digits than its factorization.

2261307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4393.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 2261307 is about 1503.7642767402. The cubic root of 2261307 is about 131.2562046953.

Adding to 2261307 its reverse (7031622), we get a palindrome (9292929).

The spelling of 2261307 in words is "two million, two hundred sixty-one thousand, three hundred seven".