1673250217 has 2 divisors, whose sum is σ = 1673250218. Its totient is φ = 1673250216.

The previous prime is 1673250193. The next prime is 1673250247. The reversal of 1673250217 is 7120523761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1666598976 + 6651241 = 40824^2 + 2579^2 .

It is a cyclic number.

It is not a de Polignac number, because 1673250217 - 2¹⁵ = 1673217449 is a prime.

It is not a weakly prime, because it can be changed into another prime (1673250247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836625108 + 836625109.

It is an arithmetic number, because the mean of its divisors is an integer number (836625109).

Almost surely, 2^1673250217 is an apocalyptic number.

It is an amenable number.

1673250217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1673250217 is an equidigital number, since it uses as much as digits as its factorization.

1673250217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 1673250217 is about 40905.3812719060. The cubic root of 1673250217 is about 1187.1901828437.

Adding to 1673250217 its reverse (7120523761), we get a palindrome (8793773978).

The spelling of 1673250217 in words is "one billion, six hundred seventy-three million, two hundred fifty thousand, two hundred seventeen".