113530453 has 4 divisors (see below), whose sum is σ = 119505760. Its totient is φ = 107555148.

The previous prime is 113530451. The next prime is 113530457. The reversal of 113530453 is 354035311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 354035311 = 7 ⋅50576473.

It is a cyclic number.

It is not a de Polignac number, because 113530453 - 2¹ = 113530451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113530451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2987625 + ... + 2987662.

It is an arithmetic number, because the mean of its divisors is an integer number (29876440).

Almost surely, 2^113530453 is an apocalyptic number.

It is an amenable number.

113530453 is a deficient number, since it is larger than the sum of its proper divisors (5975307).

113530453 is an equidigital number, since it uses as much as digits as its factorization.

113530453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5975306.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 113530453 is about 10655.0670105823. The cubic root of 113530453 is about 484.2141281543.

Adding to 113530453 its reverse (354035311), we get a palindrome (467565764).

The spelling of 113530453 in words is "one hundred thirteen million, five hundred thirty thousand, four hundred fifty-three".