1315453 has 2 divisors, whose sum is σ = 1315454. Its totient is φ = 1315452.

The previous prime is 1315451. The next prime is 1315463. The reversal of 1315453 is 3545131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 822649 + 492804 = 907^2 + 702^2 .

It is an emirp because it is prime and its reverse (3545131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1315453 - 2¹ = 1315451 is a prime.

Together with 1315451, it forms a pair of twin primes.

It is an Ulam number.

1315453 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657726 + 657727.

It is an arithmetic number, because the mean of its divisors is an integer number (657727).

2^1315453 is an apocalyptic number.

It is an amenable number.

1315453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315453 is an equidigital number, since it uses as much as digits as its factorization.

1315453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 900, while the sum is 22.

The square root of 1315453 is about 1146.9319944966. The cubic root of 1315453 is about 109.5700295003.

The spelling of 1315453 in words is "one million, three hundred fifteen thousand, four hundred fifty-three".