3506421601 has 2 divisors, whose sum is σ = 3506421602. Its totient is φ = 3506421600.

The previous prime is 3506421593. The next prime is 3506421631. The reversal of 3506421601 is 1061246053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3431616400 + 74805201 = 58580^2 + 8649^2 .

It is a cyclic number.

It is not a de Polignac number, because 3506421601 - 2³ = 3506421593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3506421601.

It is not a weakly prime, because it can be changed into another prime (3506421631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1753210800 + 1753210801.

It is an arithmetic number, because the mean of its divisors is an integer number (1753210801).

Almost surely, 2^3506421601 is an apocalyptic number.

It is an amenable number.

3506421601 is a deficient number, since it is larger than the sum of its proper divisors (1).

3506421601 is an equidigital number, since it uses as much as digits as its factorization.

3506421601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 3506421601 is about 59215.0453938862. The cubic root of 3506421601 is about 1519.2224787585. Note that the first 3 decimals are identical.

Adding to 3506421601 its reverse (1061246053), we get a palindrome (4567667654).

It can be divided in two parts, 35064 and 21601, that added together give a palindrome (56665).

The spelling of 3506421601 in words is "three billion, five hundred six million, four hundred twenty-one thousand, six hundred one".