2002558 has 4 divisors (see below), whose sum is σ = 3003840. Its totient is φ = 1001278.

The previous prime is 2002547. The next prime is 2002577. The reversal of 2002558 is 8552002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8552002 = 2 ⋅4276001.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2⁸ + 0 + 0 + 2¹⁴ + 5² + 5⁹ + 8⁵ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500638 + ... + 500641.

It is an arithmetic number, because the mean of its divisors is an integer number (750960).

2^2002558 is an apocalyptic number.

2002558 is a deficient number, since it is larger than the sum of its proper divisors (1001282).

2002558 is a wasteful number, since it uses less digits than its factorization.

2002558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001281.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 2002558 is about 1415.1176629524. The cubic root of 2002558 is about 126.0457967395.

The spelling of 2002558 in words is "two million, two thousand, five hundred fifty-eight".