2872913 has 4 divisors (see below), whose sum is σ = 2899380. Its totient is φ = 2846448.

The previous prime is 2872897. The next prime is 2872921. The reversal of 2872913 is 3192782.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1555009 + 1317904 = 1247^2 + 1148^2 .

It is a cyclic number.

It is not a de Polignac number, because 2872913 - 2⁴ = 2872897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2872913.

It is not an unprimeable number, because it can be changed into a prime (2872973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13070 + ... + 13287.

It is an arithmetic number, because the mean of its divisors is an integer number (724845).

2^2872913 is an apocalyptic number.

It is an amenable number.

2872913 is a deficient number, since it is larger than the sum of its proper divisors (26467).

2872913 is a wasteful number, since it uses less digits than its factorization.

2872913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26466.

The product of its digits is 6048, while the sum is 32.

The square root of 2872913 is about 1694.9669613299. The cubic root of 2872913 is about 142.1589339949.

The spelling of 2872913 in words is "two million, eight hundred seventy-two thousand, nine hundred thirteen".