100473391 has 2 divisors, whose sum is σ = 100473392. Its totient is φ = 100473390.

The previous prime is 100473367. The next prime is 100473397. The reversal of 100473391 is 193374001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100473391 - 2¹³ = 100465199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100473397) 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, 50236695 + 50236696.

It is an arithmetic number, because the mean of its divisors is an integer number (50236696).

Almost surely, 2^100473391 is an apocalyptic number.

100473391 is a deficient number, since it is larger than the sum of its proper divisors (1).

100473391 is an equidigital number, since it uses as much as digits as its factorization.

100473391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 100473391 is about 10023.6416037287. The cubic root of 100473391 is about 464.8901594338.

The spelling of 100473391 in words is "one hundred million, four hundred seventy-three thousand, three hundred ninety-one".