675611831 has 2 divisors, whose sum is σ = 675611832. Its totient is φ = 675611830.

The previous prime is 675611809. The next prime is 675611837. The reversal of 675611831 is 138116576.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 675611831 - 2⁶ = 675611767 is a prime.

It is a super-2 number, since 2×675611831² = 912902692374345122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (675611837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337805915 + 337805916.

It is an arithmetic number, because the mean of its divisors is an integer number (337805916).

Almost surely, 2^675611831 is an apocalyptic number.

675611831 is a deficient number, since it is larger than the sum of its proper divisors (1).

675611831 is an equidigital number, since it uses as much as digits as its factorization.

675611831 is an evil number, because the sum of its binary digits is even.

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

The square root of 675611831 is about 25992.5341396332. The cubic root of 675611831 is about 877.4702791588.

The spelling of 675611831 in words is "six hundred seventy-five million, six hundred eleven thousand, eight hundred thirty-one".