1675897217 has 4 divisors (see below), whose sum is σ = 1677198660. Its totient is φ = 1674595776.

The previous prime is 1675897199. The next prime is 1675897243. The reversal of 1675897217 is 7127985761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 961992256 + 713904961 = 31016^2 + 26719^2 .

It is a cyclic number.

It is not a de Polignac number, because 1675897217 - 2⁸ = 1675896961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1675897117) 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 in 3 ways as a sum of consecutive naturals, for example, 648788 + ... + 651365.

It is an arithmetic number, because the mean of its divisors is an integer number (419299665).

Almost surely, 2^1675897217 is an apocalyptic number.

It is an amenable number.

1675897217 is a deficient number, since it is larger than the sum of its proper divisors (1301443).

1675897217 is a wasteful number, since it uses less digits than its factorization.

1675897217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301442.

The product of its digits is 1481760, while the sum is 53.

The square root of 1675897217 is about 40937.7236421372. The cubic root of 1675897217 is about 1187.8158786198.

The spelling of 1675897217 in words is "one billion, six hundred seventy-five million, eight hundred ninety-seven thousand, two hundred seventeen".