675681311 has 4 divisors (see below), whose sum is σ = 675760800. Its totient is φ = 675601824.

The previous prime is 675681289. The next prime is 675681341. The reversal of 675681311 is 113186576.

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

It is a cyclic number.

It is not a de Polignac number, because 675681311 - 2¹⁸ = 675419167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675681341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25226 + ... + 44583.

It is an arithmetic number, because the mean of its divisors is an integer number (168940200).

Almost surely, 2^675681311 is an apocalyptic number.

675681311 is a deficient number, since it is larger than the sum of its proper divisors (79489).

675681311 is an equidigital number, since it uses as much as digits as its factorization.

675681311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79488.

The product of its digits is 30240, while the sum is 38.

The square root of 675681311 is about 25993.8706429035. The cubic root of 675681311 is about 877.5003578433.

The spelling of 675681311 in words is "six hundred seventy-five million, six hundred eighty-one thousand, three hundred eleven".