853515093 has 16 divisors (see below), whose sum is σ = 1204548800. Its totient is φ = 536077440.

The previous prime is 853515083. The next prime is 853515097. The reversal of 853515093 is 390515358.

It is a happy number.

It is not a de Polignac number, because 853515093 - 2²² = 849320789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853515097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31048 + ... + 51681.

It is an arithmetic number, because the mean of its divisors is an integer number (75284300).

Almost surely, 2^853515093 is an apocalyptic number.

It is an amenable number.

853515093 is a deficient number, since it is larger than the sum of its proper divisors (351033707).

853515093 is a wasteful number, since it uses less digits than its factorization.

853515093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82932.

The product of its (nonzero) digits is 81000, while the sum is 39.

The square root of 853515093 is about 29214.9806263841. The cubic root of 853515093 is about 948.5722201396.

The spelling of 853515093 in words is "eight hundred fifty-three million, five hundred fifteen thousand, ninety-three".