2825558 has 4 divisors (see below), whose sum is σ = 4238340. Its totient is φ = 1412778.

The previous prime is 2825551. The next prime is 2825561. The reversal of 2825558 is 8555282.

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

It is a super-3 number, since 3×2825558³ = 67675883490700923336, which contains 333 as substring. Note that it is a super-d number also for d = 2.

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 as a sum of consecutive naturals, namely, 706388 + ... + 706391.

It is an arithmetic number, because the mean of its divisors is an integer number (1059585).

2^2825558 is an apocalyptic number.

2825558 is the 899-th centered heptagonal number.

2825558 is a deficient number, since it is larger than the sum of its proper divisors (1412782).

2825558 is a wasteful number, since it uses less digits than its factorization.

2825558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412781.

The product of its digits is 32000, while the sum is 35.

The square root of 2825558 is about 1680.9396181898. The cubic root of 2825558 is about 141.3735213135.

The spelling of 2825558 in words is "two million, eight hundred twenty-five thousand, five hundred fifty-eight".