350531073 has 12 divisors (see below), whose sum is σ = 506488788. Its totient is φ = 233610720.

The previous prime is 350531021. The next prime is 350531087. The reversal of 350531073 is 370135053.

It can be written as a sum of positive squares in 2 ways, for example, as 303909489 + 46621584 = 17433^2 + 6828^2 .

It is not a de Polignac number, because 350531073 - 2⁹ = 350530561 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (350532073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41311 + ... + 49067.

It is an arithmetic number, because the mean of its divisors is an integer number (42207399).

Almost surely, 2^350531073 is an apocalyptic number.

It is an amenable number.

350531073 is a deficient number, since it is larger than the sum of its proper divisors (155957715).

350531073 is a wasteful number, since it uses less digits than its factorization.

350531073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12784 (or 12781 counting only the distinct ones).

The product of its (nonzero) digits is 4725, while the sum is 27.

The square root of 350531073 is about 18722.4750767627. The cubic root of 350531073 is about 705.0861340362.

The spelling of 350531073 in words is "three hundred fifty million, five hundred thirty-one thousand, seventy-three".