1013296243 has 4 divisors (see below), whose sum is σ = 1013968368. Its totient is φ = 1012624120.

The previous prime is 1013296223. The next prime is 1013296261. The reversal of 1013296243 is 3426923101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1013296243 - 2¹⁷ = 1013165171 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013296223) 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, 333796 + ... + 336817.

It is an arithmetic number, because the mean of its divisors is an integer number (253492092).

Almost surely, 2^1013296243 is an apocalyptic number.

1013296243 is a deficient number, since it is larger than the sum of its proper divisors (672125).

1013296243 is an equidigital number, since it uses as much as digits as its factorization.

1013296243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672124.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 1013296243 is about 31832.3144461725. The cubic root of 1013296243 is about 1004.4125814857.

The spelling of 1013296243 in words is "one billion, thirteen million, two hundred ninety-six thousand, two hundred forty-three".