1058168249 has 4 divisors (see below), whose sum is σ = 1058242164. Its totient is φ = 1058094336.

The previous prime is 1058168233. The next prime is 1058168257. The reversal of 1058168249 is 9428618501.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9428618501 = 19 ⋅496243079.

It can be written as a sum of positive squares in 2 ways, for example, as 123765625 + 934402624 = 11125^2 + 30568^2 .

It is a cyclic number.

It is not a de Polignac number, because 1058168249 - 2⁴ = 1058168233 is a prime.

It is a super-2 number, since 2×1058168249² = 2239440086383452002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1058168299) 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, 7832 + ... + 46665.

It is an arithmetic number, because the mean of its divisors is an integer number (264560541).

Almost surely, 2^1058168249 is an apocalyptic number.

It is an amenable number.

1058168249 is a deficient number, since it is larger than the sum of its proper divisors (73915).

1058168249 is an equidigital number, since it uses as much as digits as its factorization.

1058168249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73914.

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 1058168249 is about 32529.4981363070. The cubic root of 1058168249 is about 1019.0251640371.

The spelling of 1058168249 in words is "one billion, fifty-eight million, one hundred sixty-eight thousand, two hundred forty-nine".