3501314221 has 2 divisors, whose sum is σ = 3501314222. Its totient is φ = 3501314220.

The previous prime is 3501314191. The next prime is 3501314239. The reversal of 3501314221 is 1224131053.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2823753321 + 677560900 = 53139^2 + 26030^2 .

It is a cyclic number.

It is not a de Polignac number, because 3501314221 - 2⁹ = 3501313709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3501314192 and 3501314201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3501314261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1750657110 + 1750657111.

It is an arithmetic number, because the mean of its divisors is an integer number (1750657111).

Almost surely, 2^3501314221 is an apocalyptic number.

It is an amenable number.

3501314221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3501314221 is an equidigital number, since it uses as much as digits as its factorization.

3501314221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3501314221 is about 59171.9039832250. The cubic root of 3501314221 is about 1518.4844978236.

Adding to 3501314221 its reverse (1224131053), we get a palindrome (4725445274).

The spelling of 3501314221 in words is "three billion, five hundred one million, three hundred fourteen thousand, two hundred twenty-one".