2315449 has 4 divisors (see below), whose sum is σ = 2320164. Its totient is φ = 2310736.

The previous prime is 2315413. The next prime is 2315461. The reversal of 2315449 is 9445132.

2315449 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 can be written as a sum of positive squares in 2 ways, for example, as 573049 + 1742400 = 757^2 + 1320^2 .

It is a cyclic number.

It is not a de Polignac number, because 2315449 - 2¹¹ = 2313401 is a prime.

It is a super-2 number, since 2×2315449² = 10722608143202, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2315149) 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, 1522 + ... + 2635.

It is an arithmetic number, because the mean of its divisors is an integer number (580041).

2^2315449 is an apocalyptic number.

It is an amenable number.

2315449 is a deficient number, since it is larger than the sum of its proper divisors (4715).

2315449 is an equidigital number, since it uses as much as digits as its factorization.

2315449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4714.

The product of its digits is 4320, while the sum is 28.

The square root of 2315449 is about 1521.6599488716. The cubic root of 2315449 is about 132.2955003691.

The spelling of 2315449 in words is "two million, three hundred fifteen thousand, four hundred forty-nine".