3115243 has 4 divisors (see below), whose sum is σ = 3138120. Its totient is φ = 3092368.

The previous prime is 3115241. The next prime is 3115249. The reversal of 3115243 is 3425113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3425113 = 919 ⋅3727.

It is a cyclic number.

It is not a de Polignac number, because 3115243 - 2¹ = 3115241 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 3115243.

It is not an unprimeable number, because it can be changed into a prime (3115241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11233 + ... + 11506.

It is an arithmetic number, because the mean of its divisors is an integer number (784530).

Almost surely, 2^3115243 is an apocalyptic number.

3115243 is a deficient number, since it is larger than the sum of its proper divisors (22877).

3115243 is a wasteful number, since it uses less digits than its factorization.

3115243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22876.

The product of its digits is 360, while the sum is 19.

The square root of 3115243 is about 1765.0050991428. The cubic root of 3115243 is about 146.0485701916.

The spelling of 3115243 in words is "three million, one hundred fifteen thousand, two hundred forty-three".