352661761 has 8 divisors (see below), whose sum is σ = 356408360. Its totient is φ = 348924672.

The previous prime is 352661741. The next prime is 352661809. The reversal of 352661761 is 167166253.

It can be written as a sum of positive squares in 4 ways, for example, as 874225 + 351787536 = 935^2 + 18756^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 352661761 - 2¹³ = 352653569 is a prime.

It is a super-2 number, since 2×352661761² = 248740635343242242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 352661761.

It is not an unprimeable number, because it can be changed into a prime (352661731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91081 + ... + 94873.

It is an arithmetic number, because the mean of its divisors is an integer number (44551045).

Almost surely, 2^352661761 is an apocalyptic number.

It is an amenable number.

352661761 is a deficient number, since it is larger than the sum of its proper divisors (3746599).

352661761 is a wasteful number, since it uses less digits than its factorization.

352661761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4755.

The product of its digits is 45360, while the sum is 37.

The square root of 352661761 is about 18779.2907480554. The cubic root of 352661761 is about 706.5118610655.

The spelling of 352661761 in words is "three hundred fifty-two million, six hundred sixty-one thousand, seven hundred sixty-one".