350532021 has 16 divisors (see below), whose sum is σ = 537100928. Its totient is φ = 199195200.

The previous prime is 350532011. The next prime is 350532023. The reversal of 350532021 is 120235053.

It is not a de Polignac number, because 350532021 - 2²³ = 342143413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350532023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42310 + ... + 49911.

It is an arithmetic number, because the mean of its divisors is an integer number (33568808).

Almost surely, 2^350532021 is an apocalyptic number.

It is an amenable number.

350532021 is a deficient number, since it is larger than the sum of its proper divisors (186568907).

350532021 is a wasteful number, since it uses less digits than its factorization.

350532021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92412.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 350532021 is about 18722.5003939111. The cubic root of 350532021 is about 705.0867696632.

Adding to 350532021 its reverse (120235053), we get a palindrome (470767074).

The spelling of 350532021 in words is "three hundred fifty million, five hundred thirty-two thousand, twenty-one".