693250897 has 2 divisors, whose sum is σ = 693250898. Its totient is φ = 693250896.

The previous prime is 693250879. The next prime is 693250903. The reversal of 693250897 is 798052396.

Together with previous prime (693250879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 670602816 + 22648081 = 25896^2 + 4759^2 .

It is a cyclic number.

It is not a de Polignac number, because 693250897 - 2¹¹ = 693248849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 693250897.

It is not a weakly prime, because it can be changed into another prime (693350897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346625448 + 346625449.

It is an arithmetic number, because the mean of its divisors is an integer number (346625449).

Almost surely, 2^693250897 is an apocalyptic number.

It is an amenable number.

693250897 is a deficient number, since it is larger than the sum of its proper divisors (1).

693250897 is an equidigital number, since it uses as much as digits as its factorization.

693250897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 693250897 is about 26329.6581253916. The cubic root of 693250897 is about 885.0411833538.

The spelling of 693250897 in words is "six hundred ninety-three million, two hundred fifty thousand, eight hundred ninety-seven".