355313089 has 4 divisors (see below), whose sum is σ = 355445460. Its totient is φ = 355180720.

The previous prime is 355313083. The next prime is 355313159. The reversal of 355313089 is 980313553.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 980313553 = 5647 ⋅173599.

It can be written as a sum of positive squares in 2 ways, for example, as 48888064 + 306425025 = 6992^2 + 17505^2 .

It is a cyclic number.

It is not a de Polignac number, because 355313089 - 2¹¹ = 355311041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355313083) 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, 62074 + ... + 67555.

It is an arithmetic number, because the mean of its divisors is an integer number (88861365).

Almost surely, 2^355313089 is an apocalyptic number.

It is an amenable number.

355313089 is a deficient number, since it is larger than the sum of its proper divisors (132371).

355313089 is a wasteful number, since it uses less digits than its factorization.

355313089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132370.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 355313089 is about 18849.7503696999. The cubic root of 355313089 is about 708.2779725253.

It can be divided in two parts, 355 and 313089, that multiplied together give a triangular number (111146595 = T₁₄₉₀₉).

The spelling of 355313089 in words is "three hundred fifty-five million, three hundred thirteen thousand, eighty-nine".