2512513 has 2 divisors, whose sum is σ = 2512514. Its totient is φ = 2512512.

The previous prime is 2512511. The next prime is 2512537. The reversal of 2512513 is 3152152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1723969 + 788544 = 1313^2 + 888^2 .

It is a cyclic number.

It is not a de Polignac number, because 2512513 - 2¹ = 2512511 is a prime.

Together with 2512511, it forms a pair of twin primes.

2512513 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2512511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256256 + 1256257.

It is an arithmetic number, because the mean of its divisors is an integer number (1256257).

2^2512513 is an apocalyptic number.

It is an amenable number.

2512513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2512513 is an equidigital number, since it uses as much as digits as its factorization.

2512513 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2512513 is about 1585.0908491314. The cubic root of 2512513 is about 135.9469408073.

Adding to 2512513 its reverse (3152152), we get a palindrome (5664665).

It can be divided in two parts, 2512 and 513, that added together give a square (3025 = 55²).

The spelling of 2512513 in words is "two million, five hundred twelve thousand, five hundred thirteen".