2317281 has 8 divisors (see below), whose sum is σ = 3189504. Its totient is φ = 1494960.

The previous prime is 2317267. The next prime is 2317283. The reversal of 2317281 is 1827132.

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

It is not a de Polignac number, because 2317281 - 2⁷ = 2317153 is a prime.

It is a super-2 number, since 2×2317281² = 10739582465922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2317283) 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, 12366 + ... + 12551.

It is an arithmetic number, because the mean of its divisors is an integer number (398688).

2^2317281 is an apocalyptic number.

It is an amenable number.

2317281 is a deficient number, since it is larger than the sum of its proper divisors (872223).

2317281 is a wasteful number, since it uses less digits than its factorization.

2317281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24951.

The product of its digits is 672, while the sum is 24.

The square root of 2317281 is about 1522.2618040272. The cubic root of 2317281 is about 132.3303822234.

The spelling of 2317281 in words is "two million, three hundred seventeen thousand, two hundred eighty-one".