1052558 has 8 divisors (see below), whose sum is σ = 1700328. Its totient is φ = 485784.

The previous prime is 1052551. The next prime is 1052561. The reversal of 1052558 is 8552501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1052558² = 2215756686728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 40483 = 1052558 / (1 + 0 + 5 + 2 + 5 + 5 + 8).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20216 + ... + 20267.

It is an arithmetic number, because the mean of its divisors is an integer number (212541).

2^1052558 is an apocalyptic number.

1052558 is a deficient number, since it is larger than the sum of its proper divisors (647770).

1052558 is a wasteful number, since it uses less digits than its factorization.

1052558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40498.

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

The square root of 1052558 is about 1025.9424935151. The cubic root of 1052558 is about 101.7221065836.

The spelling of 1052558 in words is "one million, fifty-two thousand, five hundred fifty-eight".