109453 has 2 divisors, whose sum is σ = 109454. Its totient is φ = 109452.

The previous prime is 109451. The next prime is 109469. The reversal of 109453 is 354901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79524 + 29929 = 282^2 + 173^2 .

It is a cyclic number.

It is not a de Polignac number, because 109453 - 2¹ = 109451 is a prime.

Together with 109451, it forms a pair of twin primes.

It is an Ulam number.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54726 + 54727.

It is an arithmetic number, because the mean of its divisors is an integer number (54727).

2¹⁰⁹⁴⁵³ is an apocalyptic number.

It is an amenable number.

109453 is a deficient number, since it is larger than the sum of its proper divisors (1).

109453 is an equidigital number, since it uses as much as digits as its factorization.

109453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 109453 is about 330.8368177818. The cubic root of 109453 is about 47.8346451447.

The spelling of 109453 in words is "one hundred nine thousand, four hundred fifty-three".