350000521 has 12 divisors (see below), whose sum is σ = 387816528. Its totient is φ = 315557424.

The previous prime is 350000503. The next prime is 350000537. The reversal of 350000521 is 125000053.

It is not a de Polignac number, because 350000521 - 2¹⁵ = 349967753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 350000495 and 350000504.

It is not an unprimeable number, because it can be changed into a prime (350000561) 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, 16815 + ... + 31348.

It is an arithmetic number, because the mean of its divisors is an integer number (32318044).

Almost surely, 2^350000521 is an apocalyptic number.

It is an amenable number.

350000521 is a deficient number, since it is larger than the sum of its proper divisors (37816007).

350000521 is a wasteful number, since it uses less digits than its factorization.

350000521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48232 (or 48219 counting only the distinct ones).

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

The square root of 350000521 is about 18708.3008581752. The cubic root of 350000521 is about 704.7302228866.

Adding to 350000521 its reverse (125000053), we get a palindrome (475000574).

It can be divided in two parts, 35000052 and 1, that added together give a palindrome (35000053).

The spelling of 350000521 in words is "three hundred fifty million, five hundred twenty-one", and thus it is an aban number.