2870249 has 2 divisors, whose sum is σ = 2870250. Its totient is φ = 2870248.

The previous prime is 2870237. The next prime is 2870269. The reversal of 2870249 is 9420782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2560000 + 310249 = 1600^2 + 557^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2870249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2870269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1435124 + 1435125.

It is an arithmetic number, because the mean of its divisors is an integer number (1435125).

2^2870249 is an apocalyptic number.

It is an amenable number.

2870249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2870249 is an equidigital number, since it uses as much as digits as its factorization.

2870249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2870249 is about 1694.1809230422. The cubic root of 2870249 is about 142.1149799411.

The spelling of 2870249 in words is "two million, eight hundred seventy thousand, two hundred forty-nine".