995666537 has 2 divisors, whose sum is σ = 995666538. Its totient is φ = 995666536.

The previous prime is 995666521. The next prime is 995666593. The reversal of 995666537 is 735666599.

It is an a-pointer prime, because the next prime (995666593) can be obtained adding 995666537 to its sum of digits (56).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 798853696 + 196812841 = 28264^2 + 14029^2 .

It is a cyclic number.

It is not a de Polignac number, because 995666537 - 2⁴ = 995666521 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (995666597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497833268 + 497833269.

It is an arithmetic number, because the mean of its divisors is an integer number (497833269).

Almost surely, 2^995666537 is an apocalyptic number.

It is an amenable number.

995666537 is a deficient number, since it is larger than the sum of its proper divisors (1).

995666537 is an equidigital number, since it uses as much as digits as its factorization.

995666537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9185400, while the sum is 56.

The square root of 995666537 is about 31554.1841441036. The cubic root of 995666537 is about 998.5534207508.

The spelling of 995666537 in words is "nine hundred ninety-five million, six hundred sixty-six thousand, five hundred thirty-seven".