852161258 has 8 divisors (see below), whose sum is σ = 1376568228. Its totient is φ = 393305184.

The previous prime is 852161257. The next prime is 852161279.

852161258 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 836771329 + 15389929 = 28927^2 + 3923^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×852161258³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (852161251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16387691 + ... + 16387742.

Almost surely, 2^852161258 is an apocalyptic number.

852161258 is a deficient number, since it is larger than the sum of its proper divisors (524406970).

852161258 is a wasteful number, since it uses less digits than its factorization.

852161258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32775448.

The product of its digits is 38400, while the sum is 38.

The square root of 852161258 is about 29191.8012119842. The cubic root of 852161258 is about 948.0704169180.

The spelling of 852161258 in words is "eight hundred fifty-two million, one hundred sixty-one thousand, two hundred fifty-eight".