355091 has 8 divisors (see below), whose sum is σ = 408000. Its totient is φ = 305640.

The previous prime is 355087. The next prime is 355093. The reversal of 355091 is 190553.

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 355091 - 2² = 355087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355093) 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, 641 + ... + 1058.

It is an arithmetic number, because the mean of its divisors is an integer number (51000).

2³⁵⁵⁰⁹¹ is an apocalyptic number.

355091 is a deficient number, since it is larger than the sum of its proper divisors (52909).

355091 is a wasteful number, since it uses less digits than its factorization.

355091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 355091 is about 595.8951250010. The cubic root of 355091 is about 70.8130371685.

The spelling of 355091 in words is "three hundred fifty-five thousand, ninety-one".