2513205 has 12 divisors (see below), whose sum is σ = 4356300. Its totient is φ = 1340352.

The previous prime is 2513197. The next prime is 2513209. The reversal of 2513205 is 5023152.

It is a happy number.

2513205 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 1580049 + 933156 = 1257^2 + 966^2 .

It is not a de Polignac number, because 2513205 - 2³ = 2513197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2513209) 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 11 ways as a sum of consecutive naturals, for example, 27880 + ... + 27969.

It is an arithmetic number, because the mean of its divisors is an integer number (363025).

2^2513205 is an apocalyptic number.

It is an amenable number.

2513205 is a deficient number, since it is larger than the sum of its proper divisors (1843095).

2513205 is a wasteful number, since it uses less digits than its factorization.

2513205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55860 (or 55857 counting only the distinct ones).

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

The square root of 2513205 is about 1585.3091181218. The cubic root of 2513205 is about 135.9594205633.

Adding to 2513205 its reverse (5023152), we get a palindrome (7536357).

The spelling of 2513205 in words is "two million, five hundred thirteen thousand, two hundred five".