352921 has 4 divisors (see below), whose sum is σ = 355600. Its totient is φ = 350244.

The previous prime is 352909. The next prime is 352931. The reversal of 352921 is 129253.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 129253 = 29 ⋅4457.

It is a cyclic number.

It is not a de Polignac number, because 352921 - 2⁹ = 352409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 352892 and 352901.

It is not an unprimeable number, because it can be changed into a prime (352931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1131 + ... + 1408.

It is an arithmetic number, because the mean of its divisors is an integer number (88900).

2³⁵²⁹²¹ is an apocalyptic number.

It is an amenable number.

352921 is a deficient number, since it is larger than the sum of its proper divisors (2679).

352921 is a wasteful number, since it uses less digits than its factorization.

352921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2678.

The product of its digits is 540, while the sum is 22.

The square root of 352921 is about 594.0715445129. The cubic root of 352921 is about 70.6684935844.

The spelling of 352921 in words is "three hundred fifty-two thousand, nine hundred twenty-one".