2825557 has 16 divisors (see below), whose sum is σ = 3456000. Its totient is φ = 2257920.

The previous prime is 2825551. The next prime is 2825561. The reversal of 2825557 is 7555282.

It is not a de Polignac number, because 2825557 - 2⁷ = 2825429 is a prime.

It is an Ulam number.

It is a Duffinian number.

2825557 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2825551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6069 + ... + 6517.

It is an arithmetic number, because the mean of its divisors is an integer number (216000).

2^2825557 is an apocalyptic number.

It is an amenable number.

2825557 is a deficient number, since it is larger than the sum of its proper divisors (630443).

2825557 is a wasteful number, since it uses less digits than its factorization.

2825557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516.

The product of its digits is 28000, while the sum is 34.

The square root of 2825557 is about 1680.9393207371. The cubic root of 2825557 is about 141.3735046355.

The spelling of 2825557 in words is "two million, eight hundred twenty-five thousand, five hundred fifty-seven".