85253233235258 has 12 divisors (see below), whose sum is σ = 140562149012250. Its totient is φ = 38751469652280.

The previous prime is 85253233235257. The next prime is 85253233235293.

It is a happy number.

85253233235258 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 68863990255489 + 16389242979769 = 8298433^2 + 4048363^2 .

It is a super-2 number, since 2×85253233235258² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85253233235257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 176143043633 + ... + 176143044116.

Almost surely, 2^{85253233235258} is an apocalyptic number.

85253233235258 is a deficient number, since it is larger than the sum of its proper divisors (55308915776992).

85253233235258 is a wasteful number, since it uses less digits than its factorization.

85253233235258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352286087773 (or 352286087762 counting only the distinct ones).

The product of its digits is 51840000, while the sum is 56.

The spelling of 85253233235258 in words is "eighty-five trillion, two hundred fifty-three billion, two hundred thirty-three million, two hundred thirty-five thousand, two hundred fifty-eight".