100065047 has 2 divisors, whose sum is σ = 100065048. Its totient is φ = 100065046.

The previous prime is 100065037. The next prime is 100065059. The reversal of 100065047 is 740560001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100065047 - 2⁸ = 100064791 is a prime.

It is a super-2 number, since 2×100065047² = 20026027262224418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100065037) 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, 50032523 + 50032524.

It is an arithmetic number, because the mean of its divisors is an integer number (50032524).

Almost surely, 2^100065047 is an apocalyptic number.

100065047 is a deficient number, since it is larger than the sum of its proper divisors (1).

100065047 is an equidigital number, since it uses as much as digits as its factorization.

100065047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 100065047 is about 10003.2518212829. The cubic root of 100065047 is about 464.2595020242.

The spelling of 100065047 in words is "one hundred million, sixty-five thousand, forty-seven".