995949217 has 2 divisors, whose sum is σ = 995949218. Its totient is φ = 995949216.

The previous prime is 995949209. The next prime is 995949221. The reversal of 995949217 is 712949599.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 930921121 + 65028096 = 30511^2 + 8064^2 .

It is an emirp because it is prime and its reverse (712949599) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 995949217 - 2³ = 995949209 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (995949247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497974608 + 497974609.

It is an arithmetic number, because the mean of its divisors is an integer number (497974609).

Almost surely, 2^995949217 is an apocalyptic number.

It is an amenable number.

995949217 is a deficient number, since it is larger than the sum of its proper divisors (1).

995949217 is an equidigital number, since it uses as much as digits as its factorization.

995949217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1837080, while the sum is 55.

The square root of 995949217 is about 31558.6631053979. The cubic root of 995949217 is about 998.6479116811.

It can be divided in two parts, 995949 and 217, that added together give a triangular number (996166 = T₁₄₁₁).

The spelling of 995949217 in words is "nine hundred ninety-five million, nine hundred forty-nine thousand, two hundred seventeen".