2287913 has 4 divisors (see below), whose sum is σ = 2336640. Its totient is φ = 2239188.

The previous prime is 2287891. The next prime is 2287921. The reversal of 2287913 is 3197822.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3197822 = 2 ⋅1598911.

It is a cyclic number.

It is not a de Polignac number, because 2287913 - 2¹⁶ = 2222377 is a prime.

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 2287913.

It is not an unprimeable number, because it can be changed into a prime (2287963) 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, 24293 + ... + 24386.

It is an arithmetic number, because the mean of its divisors is an integer number (584160).

2^2287913 is an apocalyptic number.

It is an amenable number.

2287913 is a deficient number, since it is larger than the sum of its proper divisors (48727).

2287913 is an equidigital number, since it uses as much as digits as its factorization.

2287913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48726.

The product of its digits is 6048, while the sum is 32.

The square root of 2287913 is about 1512.5848736517. The cubic root of 2287913 is about 131.7689752995.

Subtracting 2287913 from its reverse (3197822), we obtain a palindrome (909909).

The spelling of 2287913 in words is "two million, two hundred eighty-seven thousand, nine hundred thirteen".