995248781 has 2 divisors, whose sum is σ = 995248782. Its totient is φ = 995248780.

The previous prime is 995248729. The next prime is 995248811. The reversal of 995248781 is 187842599.

995248781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 994393156 + 855625 = 31534^2 + 925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-995248781 is a prime.

It is a super-2 number, since 2×995248781² = 1981040272163971922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (995248721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497624390 + 497624391.

It is an arithmetic number, because the mean of its divisors is an integer number (497624391).

Almost surely, 2^995248781 is an apocalyptic number.

It is an amenable number.

995248781 is a deficient number, since it is larger than the sum of its proper divisors (1).

995248781 is an equidigital number, since it uses as much as digits as its factorization.

995248781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 53.

The square root of 995248781 is about 31547.5637886668. The cubic root of 995248781 is about 998.4137454603.

The spelling of 995248781 in words is "nine hundred ninety-five million, two hundred forty-eight thousand, seven hundred eighty-one".