1438753 has 2 divisors, whose sum is σ = 1438754. Its totient is φ = 1438752.

The previous prime is 1438751. The next prime is 1438763. The reversal of 1438753 is 3578341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1364224 + 74529 = 1168^2 + 273^2 .

It is a cyclic number.

It is not a de Polignac number, because 1438753 - 2¹ = 1438751 is a prime.

Together with 1438751, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1438751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 719376 + 719377.

It is an arithmetic number, because the mean of its divisors is an integer number (719377).

2^1438753 is an apocalyptic number.

It is an amenable number.

1438753 is a deficient number, since it is larger than the sum of its proper divisors (1).

1438753 is an equidigital number, since it uses as much as digits as its factorization.

1438753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 1438753 is about 1199.4803041318. The cubic root of 1438753 is about 112.8917176095.

The spelling of 1438753 in words is "one million, four hundred thirty-eight thousand, seven hundred fifty-three".