1058256 has 30 divisors (see below), whose sum is σ = 2962050. Its totient is φ = 352704.

The previous prime is 1058249. The next prime is 1058257. The reversal of 1058256 is 6528501.

It can be written as a sum of positive squares in only one way, i.e., 968256 + 90000 = 984^2 + 300^2 .

It is a super-2 number, since 2×1058256² = 2239811523072, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1058257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3531 + ... + 3818.

It is an arithmetic number, because the mean of its divisors is an integer number (98735).

2^1058256 is an apocalyptic number.

1058256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1058256 is an abundant number, since it is smaller than the sum of its proper divisors (1903794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1058256 is a wasteful number, since it uses less digits than its factorization.

1058256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7363 (or 7354 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 1058256 is about 1028.7157041671. The cubic root of 1058256 is about 101.9053331582.

The spelling of 1058256 in words is "one million, fifty-eight thousand, two hundred fifty-six".