995523671 has 2 divisors, whose sum is σ = 995523672. Its totient is φ = 995523670.

The previous prime is 995523653. The next prime is 995523673. The reversal of 995523671 is 176325599.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-995523671 is a prime.

Together with 995523673, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (995523673) 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, 497761835 + 497761836.

It is an arithmetic number, because the mean of its divisors is an integer number (497761836).

Almost surely, 2^995523671 is an apocalyptic number.

995523671 is a deficient number, since it is larger than the sum of its proper divisors (1).

995523671 is an equidigital number, since it uses as much as digits as its factorization.

995523671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 510300, while the sum is 47.

The square root of 995523671 is about 31551.9202426730. The cubic root of 995523671 is about 998.5056583888.

The spelling of 995523671 in words is "nine hundred ninety-five million, five hundred twenty-three thousand, six hundred seventy-one".