8541903247 has 2 divisors, whose sum is σ = 8541903248. Its totient is φ = 8541903246.

The previous prime is 8541903217. The next prime is 8541903269. The reversal of 8541903247 is 7423091458.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8541903247 is a prime.

It is a super-2 number, since 2×8541903247² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8541903217) 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, 4270951623 + 4270951624.

It is an arithmetic number, because the mean of its divisors is an integer number (4270951624).

Almost surely, 2^8541903247 is an apocalyptic number.

8541903247 is a deficient number, since it is larger than the sum of its proper divisors (1).

8541903247 is an equidigital number, since it uses as much as digits as its factorization.

8541903247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 8541903247 is about 92422.4174483658. The cubic root of 8541903247 is about 2044.1756747631.

The spelling of 8541903247 in words is "eight billion, five hundred forty-one million, nine hundred three thousand, two hundred forty-seven".