69375013 has 2 divisors, whose sum is σ = 69375014. Its totient is φ = 69375012.

The previous prime is 69374999. The next prime is 69375029. The reversal of 69375013 is 31057396.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49322529 + 20052484 = 7023^2 + 4478^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69375013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69375013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69375413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34687506 + 34687507.

It is an arithmetic number, because the mean of its divisors is an integer number (34687507).

Almost surely, 2^69375013 is an apocalyptic number.

It is an amenable number.

69375013 is a deficient number, since it is larger than the sum of its proper divisors (1).

69375013 is an equidigital number, since it uses as much as digits as its factorization.

69375013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 69375013 is about 8329.1664048691. The cubic root of 69375013 is about 410.8983139096.

The spelling of 69375013 in words is "sixty-nine million, three hundred seventy-five thousand, thirteen".