2261347 has 8 divisors (see below), whose sum is σ = 2483712. Its totient is φ = 2041800.

The previous prime is 2261309. The next prime is 2261353. The reversal of 2261347 is 7431622.

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 2261347 - 2⁷ = 2261219 is a prime.

It is a super-2 number, since 2×2261347² = 10227380508818, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁷ + 2²¹ + 6⁵ + 1 + 3⁸ + 4⁷ + 7⁴ .

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 7 ways as a sum of consecutive naturals, for example, 1222 + ... + 2452.

It is an arithmetic number, because the mean of its divisors is an integer number (310464).

2^2261347 is an apocalyptic number.

2261347 is a deficient number, since it is larger than the sum of its proper divisors (222365).

2261347 is a wasteful number, since it uses less digits than its factorization.

2261347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409.

The product of its digits is 2016, while the sum is 25.

The square root of 2261347 is about 1503.7775766382. Note that the first 3 decimals coincide. The cubic root of 2261347 is about 131.2569786161.

Adding to 2261347 its reverse (7431622), we get a palindrome (9692969).

The spelling of 2261347 in words is "two million, two hundred sixty-one thousand, three hundred forty-seven".