2513557 has 2 divisors, whose sum is σ = 2513558. Its totient is φ = 2513556.

The previous prime is 2513551. The next prime is 2513579. The reversal of 2513557 is 7553152.

2513557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1887876 + 625681 = 1374^2 + 791^2 .

It is a cyclic number.

It is not a de Polignac number, because 2513557 - 2³ = 2513549 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2513551) 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 as a sum of consecutive naturals, namely, 1256778 + 1256779.

It is an arithmetic number, because the mean of its divisors is an integer number (1256779).

2^2513557 is an apocalyptic number.

It is an amenable number.

2513557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2513557 is an equidigital number, since it uses as much as digits as its factorization.

2513557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5250, while the sum is 28.

The square root of 2513557 is about 1585.4201335924. The cubic root of 2513557 is about 135.9657677683.

The spelling of 2513557 in words is "two million, five hundred thirteen thousand, five hundred fifty-seven".