350521 has 2 divisors, whose sum is σ = 350522. Its totient is φ = 350520.

The previous prime is 350503. The next prime is 350549. The reversal of 350521 is 125053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 346921 + 3600 = 589^2 + 60^2 .

It is an emirp because it is prime and its reverse (125053) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-350521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 350495 and 350504.

It is not a weakly prime, because it can be changed into another prime (350561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175260 + 175261.

It is an arithmetic number, because the mean of its divisors is an integer number (175261).

2³⁵⁰⁵²¹ is an apocalyptic number.

It is an amenable number.

350521 is a deficient number, since it is larger than the sum of its proper divisors (1).

350521 is an equidigital number, since it uses as much as digits as its factorization.

350521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 350521 is about 592.0481399346. The cubic root of 350521 is about 70.5079380093.

Adding to 350521 its reverse (125053), we get a palindrome (475574).

It can be divided in two parts, 35052 and 1, that added together give a palindrome (35053).

The spelling of 350521 in words is "three hundred fifty thousand, five hundred twenty-one".