1350553 has 2 divisors, whose sum is σ = 1350554. Its totient is φ = 1350552.

The previous prime is 1350551. The next prime is 1350563. The reversal of 1350553 is 3550531.

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., 944784 + 405769 = 972^2 + 637^2 .

It is a cyclic number.

It is not a de Polignac number, because 1350553 - 2¹ = 1350551 is a prime.

Together with 1350551, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1350551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675276 + 675277.

It is an arithmetic number, because the mean of its divisors is an integer number (675277).

2^1350553 is an apocalyptic number.

It is an amenable number.

1350553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1350553 is an equidigital number, since it uses as much as digits as its factorization.

1350553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1125, while the sum is 22.

The square root of 1350553 is about 1162.1329528070. The cubic root of 1350553 is about 110.5360337837.

Subtracting from 1350553 its sum of digits (22), we obtain a palindrome (1350531).

The spelling of 1350553 in words is "one million, three hundred fifty thousand, five hundred fifty-three".