853513198 has 4 divisors (see below), whose sum is σ = 1280269800. Its totient is φ = 426756598.

The previous prime is 853513139. The next prime is 853513207. The reversal of 853513198 is 891315358.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213378298 + ... + 213378301.

It is an arithmetic number, because the mean of its divisors is an integer number (320067450).

Almost surely, 2^853513198 is an apocalyptic number.

853513198 is a deficient number, since it is larger than the sum of its proper divisors (426756602).

853513198 is a wasteful number, since it uses less digits than its factorization.

853513198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426756601.

The product of its digits is 129600, while the sum is 43.

The square root of 853513198 is about 29214.9481943747. The cubic root of 853513198 is about 948.5715181228.

The spelling of 853513198 in words is "eight hundred fifty-three million, five hundred thirteen thousand, one hundred ninety-eight".