1538233 has 2 divisors, whose sum is σ = 1538234. Its totient is φ = 1538232.

The previous prime is 1538227. The next prime is 1538261. The reversal of 1538233 is 3328351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1024144 + 514089 = 1012^2 + 717^2 .

It is a cyclic number.

It is not a de Polignac number, because 1538233 - 2⁹ = 1537721 is a prime.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 1538198 and 1538207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1538203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 769116 + 769117.

It is an arithmetic number, because the mean of its divisors is an integer number (769117).

2^1538233 is an apocalyptic number.

It is an amenable number.

1538233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1538233 is an equidigital number, since it uses as much as digits as its factorization.

1538233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 25.

The square root of 1538233 is about 1240.2552156714. The cubic root of 1538233 is about 115.4358507617.

It can be divided in two parts, 1538 and 233, that added together give a palindrome (1771).

The spelling of 1538233 in words is "one million, five hundred thirty-eight thousand, two hundred thirty-three".