100193047 has 2 divisors, whose sum is σ = 100193048. Its totient is φ = 100193046.

The previous prime is 100193039. The next prime is 100193059. The reversal of 100193047 is 740391001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100193047 - 2³ = 100193039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100193017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50096523 + 50096524.

It is an arithmetic number, because the mean of its divisors is an integer number (50096524).

Almost surely, 2^100193047 is an apocalyptic number.

100193047 is a deficient number, since it is larger than the sum of its proper divisors (1).

100193047 is an equidigital number, since it uses as much as digits as its factorization.

100193047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 100193047 is about 10009.6476960980. The cubic root of 100193047 is about 464.4573729684.

The spelling of 100193047 in words is "one hundred million, one hundred ninety-three thousand, forty-seven".