1058312250 has 128 divisors (see below), whose sum is σ = 2971987200. Its totient is φ = 278668800.

The previous prime is 1058312231. The next prime is 1058312251. The reversal of 1058312250 is 522138501.

It is a happy number.

1058312250 is a `hidden beast` number, since 10 + 583 + 1 + 22 + 50 = 666.

It is a super-2 number, since 2×1058312250² = 2240049637000125000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1058312251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 559306 + ... + 561194.

It is an arithmetic number, because the mean of its divisors is an integer number (23218650).

Almost surely, 2^1058312250 is an apocalyptic number.

1058312250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1058312250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1485993600).

1058312250 is an abundant number, since it is smaller than the sum of its proper divisors (1913674950).

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

1058312250 is a wasteful number, since it uses less digits than its factorization.

1058312250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998 (or 1982 counting only the distinct ones).

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

The square root of 1058312250 is about 32531.7114520586. The cubic root of 1058312250 is about 1019.0713866760.

The spelling of 1058312250 in words is "one billion, fifty-eight million, three hundred twelve thousand, two hundred fifty".