1001312453 has 4 divisors (see below), whose sum is σ = 1006844748. Its totient is φ = 995780160.

The previous prime is 1001312447. The next prime is 1001312467. The reversal of 1001312453 is 3542131001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3542131001 = 2203 ⋅1607867.

It can be written as a sum of positive squares in 2 ways, for example, as 199176769 + 802135684 = 14113^2 + 28322^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001312453 - 2⁴ = 1001312437 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 (1001312443) 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, 2765876 + ... + 2766237.

It is an arithmetic number, because the mean of its divisors is an integer number (251711187).

Almost surely, 2^1001312453 is an apocalyptic number.

It is an amenable number.

1001312453 is a deficient number, since it is larger than the sum of its proper divisors (5532295).

1001312453 is an equidigital number, since it uses as much as digits as its factorization.

1001312453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5532294.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1001312453 is about 31643.5215012489. The cubic root of 1001312453 is about 1000.4372930802.

Adding to 1001312453 its reverse (3542131001), we get a palindrome (4543443454).

The spelling of 1001312453 in words is "one billion, one million, three hundred twelve thousand, four hundred fifty-three".