100478633 has 2 divisors, whose sum is σ = 100478634. Its totient is φ = 100478632.

The previous prime is 100478611. The next prime is 100478681. The reversal of 100478633 is 336874001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61889689 + 38588944 = 7867^2 + 6212^2 .

It is an emirp because it is prime and its reverse (336874001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100478633 - 2⁸ = 100478377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100478633.

It is not a weakly prime, because it can be changed into another prime (100478603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50239316 + 50239317.

It is an arithmetic number, because the mean of its divisors is an integer number (50239317).

Almost surely, 2^100478633 is an apocalyptic number.

It is an amenable number.

100478633 is a deficient number, since it is larger than the sum of its proper divisors (1).

100478633 is an equidigital number, since it uses as much as digits as its factorization.

100478633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 100478633 is about 10023.9030821332. The cubic root of 100478633 is about 464.8982442007.

The spelling of 100478633 in words is "one hundred million, four hundred seventy-eight thousand, six hundred thirty-three".