2870557 has 2 divisors, whose sum is σ = 2870558. Its totient is φ = 2870556.

The previous prime is 2870537. The next prime is 2870573. The reversal of 2870557 is 7550782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1811716 + 1058841 = 1346^2 + 1029^2 .

It is a cyclic number.

It is not a de Polignac number, because 2870557 - 2⁷ = 2870429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2870537) by changing a digit.

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 as a sum of consecutive naturals, namely, 1435278 + 1435279.

It is an arithmetic number, because the mean of its divisors is an integer number (1435279).

2^2870557 is an apocalyptic number.

It is an amenable number.

2870557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2870557 is an equidigital number, since it uses as much as digits as its factorization.

2870557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 2870557 is about 1694.2718199864. The cubic root of 2870557 is about 142.1200631061.

The spelling of 2870557 in words is "two million, eight hundred seventy thousand, five hundred fifty-seven".