351281161 has 16 divisors (see below), whose sum is σ = 438438528. Its totient is φ = 273427200.

The previous prime is 351281159. The next prime is 351281237. The reversal of 351281161 is 161182153.

It is a cyclic number.

It is not a de Polignac number, because 351281161 - 2¹ = 351281159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (351281261) 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, 91521 + ... + 95281.

It is an arithmetic number, because the mean of its divisors is an integer number (27402408).

Almost surely, 2^351281161 is an apocalyptic number.

It is an amenable number.

351281161 is a deficient number, since it is larger than the sum of its proper divisors (87157367).

351281161 is a wasteful number, since it uses less digits than its factorization.

351281161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4992.

The product of its digits is 1440, while the sum is 28.

The square root of 351281161 is about 18742.4961251163. The cubic root of 351281161 is about 705.5887046552.

The spelling of 351281161 in words is "three hundred fifty-one million, two hundred eighty-one thousand, one hundred sixty-one".