100435493 has 2 divisors, whose sum is σ = 100435494. Its totient is φ = 100435492.

The previous prime is 100435481. The next prime is 100435553. The reversal of 100435493 is 394534001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71199844 + 29235649 = 8438^2 + 5407^2 .

It is an emirp because it is prime and its reverse (394534001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100435493 - 2¹⁰ = 100434469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100435793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50217746 + 50217747.

It is an arithmetic number, because the mean of its divisors is an integer number (50217747).

Almost surely, 2^100435493 is an apocalyptic number.

It is an amenable number.

100435493 is a deficient number, since it is larger than the sum of its proper divisors (1).

100435493 is an equidigital number, since it uses as much as digits as its factorization.

100435493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 100435493 is about 10021.7509947115. The cubic root of 100435493 is about 464.8317007622.

Adding to 100435493 its reverse (394534001), we get a palindrome (494969494).

The spelling of 100435493 in words is "one hundred million, four hundred thirty-five thousand, four hundred ninety-three".