350521121 has 2 divisors, whose sum is σ = 350521122. Its totient is φ = 350521120.

The previous prime is 350521117. The next prime is 350521151. The reversal of 350521121 is 121125053.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183982096 + 166539025 = 13564^2 + 12905^2 .

It is a cyclic number.

It is not a de Polignac number, because 350521121 - 2² = 350521117 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 350521093 and 350521102.

It is not a weakly prime, because it can be changed into another prime (350521111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175260560 + 175260561.

It is an arithmetic number, because the mean of its divisors is an integer number (175260561).

Almost surely, 2^350521121 is an apocalyptic number.

It is an amenable number.

350521121 is a deficient number, since it is larger than the sum of its proper divisors (1).

350521121 is an equidigital number, since it uses as much as digits as its factorization.

350521121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 350521121 is about 18722.2092980503. The cubic root of 350521121 is about 705.0794612244.

Adding to 350521121 its reverse (121125053), we get a palindrome (471646174).

The spelling of 350521121 in words is "three hundred fifty million, five hundred twenty-one thousand, one hundred twenty-one".