1307216453 has 4 divisors (see below), whose sum is σ = 1307470188. Its totient is φ = 1306962720.

The previous prime is 1307216447. The next prime is 1307216459. The reversal of 1307216453 is 3546127031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3546127031 = 2713 ⋅1307087.

It is an interprime number because it is at equal distance from previous prime (1307216447) and next prime (1307216459).

It can be written as a sum of positive squares in 2 ways, for example, as 770506564 + 536709889 = 27758^2 + 23167^2 .

It is a cyclic number.

It is not a de Polignac number, because 1307216453 - 2⁶ = 1307216389 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 (1307216459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118976 + ... + 129497.

It is an arithmetic number, because the mean of its divisors is an integer number (326867547).

Almost surely, 2^1307216453 is an apocalyptic number.

It is an amenable number.

1307216453 is a deficient number, since it is larger than the sum of its proper divisors (253735).

1307216453 is an equidigital number, since it uses as much as digits as its factorization.

1307216453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253734.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 1307216453 is about 36155.4484552467. The cubic root of 1307216453 is about 1093.4086411934.

The spelling of 1307216453 in words is "one billion, three hundred seven million, two hundred sixteen thousand, four hundred fifty-three".