1058213 has 4 divisors (see below), whose sum is σ = 1139628. Its totient is φ = 976800.

The previous prime is 1058203. The next prime is 1058221. The reversal of 1058213 is 3128501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 452929 + 605284 = 673^2 + 778^2 .

It is a cyclic number.

It is not a de Polignac number, because 1058213 - 2⁶ = 1058149 is a prime.

It is a super-2 number, since 2×1058213² = 2239629506738, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1058203) 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, 40688 + ... + 40713.

It is an arithmetic number, because the mean of its divisors is an integer number (284907).

2^1058213 is an apocalyptic number.

1058213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1058213 is a deficient number, since it is larger than the sum of its proper divisors (81415).

1058213 is an equidigital number, since it uses as much as digits as its factorization.

1058213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81414.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1058213 is about 1028.6948041086. The cubic root of 1058213 is about 101.9039529034.

The spelling of 1058213 in words is "one million, fifty-eight thousand, two hundred thirteen".