2150558 has 4 divisors (see below), whose sum is σ = 3225840. Its totient is φ = 1075278.

The previous prime is 2150543. The next prime is 2150567. The reversal of 2150558 is 8550512.

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

It is a super-3 number, since 3×2150558³ = 29838345220414623336, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

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, 537638 + ... + 537641.

It is an arithmetic number, because the mean of its divisors is an integer number (806460).

2^2150558 is an apocalyptic number.

2150558 is a deficient number, since it is larger than the sum of its proper divisors (1075282).

2150558 is a wasteful number, since it uses less digits than its factorization.

2150558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075281.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 2150558 is about 1466.4780939380. The cubic root of 2150558 is about 129.0774528363.

The spelling of 2150558 in words is "two million, one hundred fifty thousand, five hundred fifty-eight".