3506420507 has 2 divisors, whose sum is σ = 3506420508. Its totient is φ = 3506420506.

The previous prime is 3506420419. The next prime is 3506420521. The reversal of 3506420507 is 7050246053.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3506420507 is a prime.

It is not a weakly prime, because it can be changed into another prime (3506440507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1753210253 + 1753210254.

It is an arithmetic number, because the mean of its divisors is an integer number (1753210254).

Almost surely, 2^3506420507 is an apocalyptic number.

3506420507 is a deficient number, since it is larger than the sum of its proper divisors (1).

3506420507 is an equidigital number, since it uses as much as digits as its factorization.

3506420507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 3506420507 is about 59215.0361563683. The cubic root of 3506420507 is about 1519.2223207599. Note that the first 3 decimals are identical.

The spelling of 3506420507 in words is "three billion, five hundred six million, four hundred twenty thousand, five hundred seven".