2572818 has 16 divisors (see below), whose sum is σ = 5171040. Its totient is φ = 853376.

The previous prime is 2572811. The next prime is 2572859. The reversal of 2572818 is 8182752.

It is a super-2 number, since 2×2572818² = 13238784922248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2572811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418 + ... + 2306.

It is an arithmetic number, because the mean of its divisors is an integer number (323190).

2^2572818 is an apocalyptic number.

2572818 is an abundant number, since it is smaller than the sum of its proper divisors (2598222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2572818 is a wasteful number, since it uses less digits than its factorization.

2572818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121.

The product of its digits is 8960, while the sum is 33.

The square root of 2572818 is about 1604.0006234413. Note that the first 3 decimals coincide. The cubic root of 2572818 is about 137.0260131398.

The spelling of 2572818 in words is "two million, five hundred seventy-two thousand, eight hundred eighteen".