2315205 has 12 divisors (see below), whose sum is σ = 4013100. Its totient is φ = 1234752.

The previous prime is 2315177. The next prime is 2315227. The reversal of 2315205 is 5025132.

It is a happy number.

2315205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 772641 + 1542564 = 879^2 + 1242^2 .

It is not a de Polignac number, because 2315205 - 2⁶ = 2315141 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 25680 + ... + 25769.

It is an arithmetic number, because the mean of its divisors is an integer number (334425).

2^2315205 is an apocalyptic number.

It is an amenable number.

2315205 is a deficient number, since it is larger than the sum of its proper divisors (1697895).

2315205 is a wasteful number, since it uses less digits than its factorization.

2315205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51460 (or 51457 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 2315205 is about 1521.5797711589. The cubic root of 2315205 is about 132.2908531443.

The spelling of 2315205 in words is "two million, three hundred fifteen thousand, two hundred five".