69528713 has 2 divisors, whose sum is σ = 69528714. Its totient is φ = 69528712.

The previous prime is 69528709. The next prime is 69528731. The reversal of 69528713 is 31782596.

Together with next prime (69528731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65496649 + 4032064 = 8093^2 + 2008^2 .

It is a cyclic number.

It is not a de Polignac number, because 69528713 - 2² = 69528709 is a prime.

It is not a weakly prime, because it can be changed into another prime (69528763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34764356 + 34764357.

It is an arithmetic number, because the mean of its divisors is an integer number (34764357).

Almost surely, 2^69528713 is an apocalyptic number.

It is an amenable number.

69528713 is a deficient number, since it is larger than the sum of its proper divisors (1).

69528713 is an equidigital number, since it uses as much as digits as its factorization.

69528713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 69528713 is about 8338.3879137397. The cubic root of 69528713 is about 411.2015378203.

The spelling of 69528713 in words is "sixty-nine million, five hundred twenty-eight thousand, seven hundred thirteen".