352661 has 2 divisors, whose sum is σ = 352662. Its totient is φ = 352660.

The previous prime is 352637. The next prime is 352691. The reversal of 352661 is 166253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323761 + 28900 = 569^2 + 170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-352661 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (352601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176330 + 176331.

It is an arithmetic number, because the mean of its divisors is an integer number (176331).

2³⁵²⁶⁶¹ is an apocalyptic number.

It is an amenable number.

352661 is a deficient number, since it is larger than the sum of its proper divisors (1).

352661 is an equidigital number, since it uses as much as digits as its factorization.

352661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 23.

The square root of 352661 is about 593.8526753329. The cubic root of 352661 is about 70.6511352877.

The spelling of 352661 in words is "three hundred fifty-two thousand, six hundred sixty-one".