2315047 has 4 divisors (see below), whose sum is σ = 2645776. Its totient is φ = 1984320.

The previous prime is 2315039. The next prime is 2315057. The reversal of 2315047 is 7405132.

2315047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2315047 - 2³ = 2315039 is a prime.

It is a super-2 number, since 2×2315047² = 10718885224418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165354 + ... + 165367.

It is an arithmetic number, because the mean of its divisors is an integer number (661444).

2^2315047 is an apocalyptic number.

2315047 is a deficient number, since it is larger than the sum of its proper divisors (330729).

2315047 is an equidigital number, since it uses as much as digits as its factorization.

2315047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330728.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2315047 is about 1521.5278505502. The cubic root of 2315047 is about 132.2878437016.

The spelling of 2315047 in words is "two million, three hundred fifteen thousand, forty-seven".