2870565 has 16 divisors (see below), whose sum is σ = 4752000. Its totient is φ = 1477952.

The previous prime is 2870557. The next prime is 2870573. The reversal of 2870565 is 5650782.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2870557) and next prime (2870573).

It is a cyclic number.

It is not a de Polignac number, because 2870565 - 2³ = 2870557 is a prime.

It is an Ulam number.

2870565 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2865 + ... + 3734.

It is an arithmetic number, because the mean of its divisors is an integer number (297000).

2^2870565 is an apocalyptic number.

It is an amenable number.

2870565 is a deficient number, since it is larger than the sum of its proper divisors (1881435).

2870565 is a wasteful number, since it uses less digits than its factorization.

2870565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6636.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 2870565 is about 1694.2741808810. The cubic root of 2870565 is about 142.1201951315.

The spelling of 2870565 in words is "two million, eight hundred seventy thousand, five hundred sixty-five".