2351243 has 4 divisors (see below), whose sum is σ = 2365008. Its totient is φ = 2337480.

The previous prime is 2351207. The next prime is 2351263. The reversal of 2351243 is 3421532.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2351243 - 2¹⁰ = 2350219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2351263) 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, 6623 + ... + 6968.

It is an arithmetic number, because the mean of its divisors is an integer number (591252).

2^2351243 is an apocalyptic number.

2351243 is a deficient number, since it is larger than the sum of its proper divisors (13765).

2351243 is a wasteful number, since it uses less digits than its factorization.

2351243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13764.

The product of its digits is 720, while the sum is 20.

The square root of 2351243 is about 1533.3763399766. The cubic root of 2351243 is about 132.9737261308.

Adding to 2351243 its reverse (3421532), we get a palindrome (5772775).

The spelling of 2351243 in words is "two million, three hundred fifty-one thousand, two hundred forty-three".