100493317 has 2 divisors, whose sum is σ = 100493318. Its totient is φ = 100493316.

The previous prime is 100493311. The next prime is 100493357. The reversal of 100493317 is 713394001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85119076 + 15374241 = 9226^2 + 3921^2 .

It is a cyclic number.

It is not a de Polignac number, because 100493317 - 2⁷ = 100493189 is a prime.

It is a Chen prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100493311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50246658 + 50246659.

It is an arithmetic number, because the mean of its divisors is an integer number (50246659).

Almost surely, 2^100493317 is an apocalyptic number.

It is an amenable number.

100493317 is a deficient number, since it is larger than the sum of its proper divisors (1).

100493317 is an equidigital number, since it uses as much as digits as its factorization.

100493317 is an evil number, because the sum of its binary digits is even.

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

The square root of 100493317 is about 10024.6355045957. The cubic root of 100493317 is about 464.9208899218.

It can be divided in two parts, 10049 and 3317, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 100493317 in words is "one hundred million, four hundred ninety-three thousand, three hundred seventeen".