1697480027 has 2 divisors, whose sum is σ = 1697480028. Its totient is φ = 1697480026.

The previous prime is 1697480021. The next prime is 1697480077. The reversal of 1697480027 is 7200847961.

It is a weak prime.

It is an emirp because it is prime and its reverse (7200847961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1697480027 - 2⁶ = 1697479963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1697480027.

It is not a weakly prime, because it can be changed into another prime (1697480021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 848740013 + 848740014.

It is an arithmetic number, because the mean of its divisors is an integer number (848740014).

Almost surely, 2^1697480027 is an apocalyptic number.

1697480027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1697480027 is an equidigital number, since it uses as much as digits as its factorization.

1697480027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 1697480027 is about 41200.4857616995. The cubic root of 1697480027 is about 1192.8931855136.

The spelling of 1697480027 in words is "one billion, six hundred ninety-seven million, four hundred eighty thousand, twenty-seven".