853330261 has 16 divisors (see below), whose sum is σ = 1048412160. Its totient is φ = 678181680.

The previous prime is 853330259. The next prime is 853330267. The reversal of 853330261 is 162033358.

It is a cyclic number.

It is not a de Polignac number, because 853330261 - 2¹ = 853330259 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 (853330267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62005 + ... + 74506.

It is an arithmetic number, because the mean of its divisors is an integer number (65525760).

Almost surely, 2^853330261 is an apocalyptic number.

It is an amenable number.

853330261 is a deficient number, since it is larger than the sum of its proper divisors (195081899).

853330261 is a wasteful number, since it uses less digits than its factorization.

853330261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136584.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 853330261 is about 29211.8171464906. The cubic root of 853330261 is about 948.5037428666.

The spelling of 853330261 in words is "eight hundred fifty-three million, three hundred thirty thousand, two hundred sixty-one".