1058645538 has 24 divisors (see below), whose sum is σ = 2378686128. Its totient is φ = 352881684.

The previous prime is 1058645537. The next prime is 1058645561. The reversal of 1058645538 is 8355468501.

1058645538 is a `hidden beast` number, since 1 + 0 + 58 + 64 + 5 + 538 = 666.

1058645538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1058645538² = 2241460750254618888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1058645493 and 1058645502.

It is not an unprimeable number, because it can be changed into a prime (1058645537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1088656 + ... + 1089627.

It is an arithmetic number, because the mean of its divisors is an integer number (99111922).

Almost surely, 2^1058645538 is an apocalyptic number.

1058645538 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1058645538 is an abundant number, since it is smaller than the sum of its proper divisors (1320040590).

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

1058645538 is an equidigital number, since it uses as much as digits as its factorization.

1058645538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178300 (or 2178288 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The square root of 1058645538 is about 32536.8335582921. The cubic root of 1058645538 is about 1019.1783521507.

The spelling of 1058645538 in words is "one billion, fifty-eight million, six hundred forty-five thousand, five hundred thirty-eight".