1065258873 has 30 divisors (see below), whose sum is σ = 1795088074. Its totient is φ = 608707008.

The previous prime is 1065258863. The next prime is 1065258877. The reversal of 1065258873 is 3788525601.

1065258873 is a `hidden beast` number, since 1 + 0 + 65 + 2 + 588 + 7 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 617174649 + 448084224 = 24843^2 + 21168^2 .

It is not a de Polignac number, because 1065258873 - 2¹⁸ = 1064996729 is a prime.

It is a super-2 number, since 2×1065258873² = 2269552933010460258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1065258877) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 3040 + ... + 46257.

Almost surely, 2^1065258873 is an apocalyptic number.

It is an amenable number.

1065258873 is a deficient number, since it is larger than the sum of its proper divisors (729829201).

1065258873 is an frugal number, since it uses more digits than its factorization.

1065258873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49331 (or 49307 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 1065258873 is about 32638.3037702636. The cubic root of 1065258873 is about 1021.2962096419.

The spelling of 1065258873 in words is "one billion, sixty-five million, two hundred fifty-eight thousand, eight hundred seventy-three".