100393453 has 2 divisors, whose sum is σ = 100393454. Its totient is φ = 100393452.

The previous prime is 100393441. The next prime is 100393471. The reversal of 100393453 is 354393001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56595529 + 43797924 = 7523^2 + 6618^2 .

It is an emirp because it is prime and its reverse (354393001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100393453 - 2¹⁷ = 100262381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100393253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50196726 + 50196727.

It is an arithmetic number, because the mean of its divisors is an integer number (50196727).

Almost surely, 2^100393453 is an apocalyptic number.

It is an amenable number.

100393453 is a deficient number, since it is larger than the sum of its proper divisors (1).

100393453 is an equidigital number, since it uses as much as digits as its factorization.

100393453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 100393453 is about 10019.6533373166. The cubic root of 100393453 is about 464.7668357385.

The spelling of 100393453 in words is "one hundred million, three hundred ninety-three thousand, four hundred fifty-three".