113097493 has 4 divisors (see below), whose sum is σ = 116154220. Its totient is φ = 110040768.

The previous prime is 113097487. The next prime is 113097497. The reversal of 113097493 is 394790311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 394790311 = 29 ⋅13613459.

It can be written as a sum of positive squares in 2 ways, for example, as 107371044 + 5726449 = 10362^2 + 2393^2 .

It is a cyclic number.

It is not a de Polignac number, because 113097493 - 2⁵ = 113097461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 3056689 = 113097493 / (1 + 1 + 3 + 0 + 9 + 7 + 4 + 9 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113097497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1528308 + ... + 1528381.

It is an arithmetic number, because the mean of its divisors is an integer number (29038555).

Almost surely, 2^113097493 is an apocalyptic number.

It is an amenable number.

113097493 is a deficient number, since it is larger than the sum of its proper divisors (3056727).

113097493 is an equidigital number, since it uses as much as digits as its factorization.

113097493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056726.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 113097493 is about 10634.7305090444. The cubic root of 113097493 is about 483.5978106501.

The spelling of 113097493 in words is "one hundred thirteen million, ninety-seven thousand, four hundred ninety-three".