3220513687 has 2 divisors, whose sum is σ = 3220513688. Its totient is φ = 3220513686.

The previous prime is 3220513603. The next prime is 3220513693. The reversal of 3220513687 is 7863150223.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3220513687 - 2²³ = 3212125079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3220513487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610256843 + 1610256844.

It is an arithmetic number, because the mean of its divisors is an integer number (1610256844).

Almost surely, 2^3220513687 is an apocalyptic number.

3220513687 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220513687 is an equidigital number, since it uses as much as digits as its factorization.

3220513687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 3220513687 is about 56749.5699278858. The cubic root of 3220513687 is about 1476.7547725395.

The spelling of 3220513687 in words is "three billion, two hundred twenty million, five hundred thirteen thousand, six hundred eighty-seven".