2513215 has 4 divisors (see below), whose sum is σ = 3015864. Its totient is φ = 2010568.

The previous prime is 2513209. The next prime is 2513249. The reversal of 2513215 is 5123152.

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 2513215 - 2⁷ = 2513087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2513192 and 2513201.

It is a congruent number.

It is an unprimeable number.

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, 251317 + ... + 251326.

It is an arithmetic number, because the mean of its divisors is an integer number (753966).

2^2513215 is an apocalyptic number.

2513215 is a deficient number, since it is larger than the sum of its proper divisors (502649).

2513215 is an equidigital number, since it uses as much as digits as its factorization.

2513215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502648.

The product of its digits is 300, while the sum is 19.

The square root of 2513215 is about 1585.3122720776. The cubic root of 2513215 is about 135.9596008898.

Adding to 2513215 its reverse (5123152), we get a palindrome (7636367).

The spelling of 2513215 in words is "two million, five hundred thirteen thousand, two hundred fifteen".