352781113 has 6 divisors (see below), whose sum is σ = 372326154. Its totient is φ = 334213344.

The previous prime is 352781101. The next prime is 352781129. The reversal of 352781113 is 311187253.

It can be written as a sum of positive squares in only one way, i.e., 352387984 + 393129 = 18772^2 + 627^2 .

It is not a de Polignac number, because 352781113 - 2¹³ = 352772921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (352781173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 488256 + ... + 488977.

It is an arithmetic number, because the mean of its divisors is an integer number (62054359).

Almost surely, 2^352781113 is an apocalyptic number.

It is an amenable number.

352781113 is a deficient number, since it is larger than the sum of its proper divisors (19545041).

352781113 is an equidigital number, since it uses as much as digits as its factorization.

352781113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977271 (or 977252 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The square root of 352781113 is about 18782.4682350324. The cubic root of 352781113 is about 706.5915541333.

The spelling of 352781113 in words is "three hundred fifty-two million, seven hundred eighty-one thousand, one hundred thirteen".