3250543505309 has 2 divisors, whose sum is σ = 3250543505310. Its totient is φ = 3250543505308.

The previous prime is 3250543505219. The next prime is 3250543505333. The reversal of 3250543505309 is 9035053450523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2671541215225 + 579002290084 = 1634485^2 + 760922^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3250543505309 is a prime.

It is a super-2 number, since 2×3250543505309² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3250543505309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3250543505009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1625271752654 + 1625271752655.

It is an arithmetic number, because the mean of its divisors is an integer number (1625271752655).

Almost surely, 2^{3250543505309} is an apocalyptic number.

It is an amenable number.

3250543505309 is a deficient number, since it is larger than the sum of its proper divisors (1).

3250543505309 is an equidigital number, since it uses as much as digits as its factorization.

3250543505309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1215000, while the sum is 44.

The spelling of 3250543505309 in words is "three trillion, two hundred fifty billion, five hundred forty-three million, five hundred five thousand, three hundred nine".