995140247 has 2 divisors, whose sum is σ = 995140248. Its totient is φ = 995140246.

The previous prime is 995140229. The next prime is 995140291. The reversal of 995140247 is 742041599.

995140247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-995140247 is a prime.

It is a super-2 number, since 2×995140247² = 1980608222398442018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (995140147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497570123 + 497570124.

It is an arithmetic number, because the mean of its divisors is an integer number (497570124).

Almost surely, 2^995140247 is an apocalyptic number.

995140247 is a deficient number, since it is larger than the sum of its proper divisors (1).

995140247 is an equidigital number, since it uses as much as digits as its factorization.

995140247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 995140247 is about 31545.8435772448. The cubic root of 995140247 is about 998.3774510923.

The spelling of 995140247 in words is "nine hundred ninety-five million, one hundred forty thousand, two hundred forty-seven".