5391506173 has 2 divisors, whose sum is σ = 5391506174. Its totient is φ = 5391506172.

The previous prime is 5391506137. The next prime is 5391506209. The reversal of 5391506173 is 3716051935.

It is a happy number.

5391506173 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (5391506137) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (5391506137) and next prime (5391506209).

It can be written as a sum of positive squares in only one way, i.e., 5167165689 + 224340484 = 71883^2 + 14978^2 .

It is a cyclic number.

It is not a de Polignac number, because 5391506173 - 2⁹ = 5391505661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5391506473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2695753086 + 2695753087.

It is an arithmetic number, because the mean of its divisors is an integer number (2695753087).

Almost surely, 2^5391506173 is an apocalyptic number.

It is an amenable number.

5391506173 is a deficient number, since it is larger than the sum of its proper divisors (1).

5391506173 is an equidigital number, since it uses as much as digits as its factorization.

5391506173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85050, while the sum is 40.

The square root of 5391506173 is about 73426.8763668999. The cubic root of 5391506173 is about 1753.4903046304.

The spelling of 5391506173 in words is "five billion, three hundred ninety-one million, five hundred six thousand, one hundred seventy-three".