1355451233 has 2 divisors, whose sum is σ = 1355451234. Its totient is φ = 1355451232.

The previous prime is 1355451199. The next prime is 1355451247. The reversal of 1355451233 is 3321545531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1246937344 + 108513889 = 35312^2 + 10417^2 .

It is a cyclic number.

It is not a de Polignac number, because 1355451233 - 2¹⁴ = 1355434849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1355451233.

It is not a weakly prime, because it can be changed into another prime (1355453233) 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, 677725616 + 677725617.

It is an arithmetic number, because the mean of its divisors is an integer number (677725617).

Almost surely, 2^1355451233 is an apocalyptic number.

It is an amenable number.

1355451233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355451233 is an equidigital number, since it uses as much as digits as its factorization.

1355451233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27000, while the sum is 32.

The square root of 1355451233 is about 36816.4532919726. The cubic root of 1355451233 is about 1106.6950454308.

Adding to 1355451233 its reverse (3321545531), we get a palindrome (4676996764).

The spelling of 1355451233 in words is "one billion, three hundred fifty-five million, four hundred fifty-one thousand, two hundred thirty-three".