2317381 has 4 divisors (see below), whose sum is σ = 2528064. Its totient is φ = 2106700.

The previous prime is 2317363. The next prime is 2317387. The reversal of 2317381 is 1837132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2317381 - 2⁵ = 2317349 is a prime.

It is a super-2 number, since 2×2317381² = 10740509398322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2317387) 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, 105325 + ... + 105346.

It is an arithmetic number, because the mean of its divisors is an integer number (632016).

2^2317381 is an apocalyptic number.

It is an amenable number.

2317381 is a deficient number, since it is larger than the sum of its proper divisors (210683).

2317381 is a wasteful number, since it uses less digits than its factorization.

2317381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210682.

The product of its digits is 1008, while the sum is 25.

The square root of 2317381 is about 1522.2946495341. The cubic root of 2317381 is about 132.3322857255.

Subtracting from 2317381 its reverse (1837132), we obtain a square (480249 = 693²).

The spelling of 2317381 in words is "two million, three hundred seventeen thousand, three hundred eighty-one".