3502145321 has 2 divisors, whose sum is σ = 3502145322. Its totient is φ = 3502145320.

The previous prime is 3502145291. The next prime is 3502145351. The reversal of 3502145321 is 1235412053.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (3502145291) and next prime (3502145351).

It can be written as a sum of positive squares in only one way, i.e., 3405889600 + 96255721 = 58360^2 + 9811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3502145321 is a prime.

It is not a weakly prime, because it can be changed into another prime (3502145351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1751072660 + 1751072661.

It is an arithmetic number, because the mean of its divisors is an integer number (1751072661).

Almost surely, 2^3502145321 is an apocalyptic number.

It is an amenable number.

3502145321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3502145321 is an equidigital number, since it uses as much as digits as its factorization.

3502145321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 3502145321 is about 59178.9263251709. The cubic root of 3502145321 is about 1518.6046348680.

Adding to 3502145321 its reverse (1235412053), we get a palindrome (4737557374).

The spelling of 3502145321 in words is "three billion, five hundred two million, one hundred forty-five thousand, three hundred twenty-one".