232545553 has 2 divisors, whose sum is σ = 232545554. Its totient is φ = 232545552.

The previous prime is 232545527. The next prime is 232545583. The reversal of 232545553 is 355545232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232044289 + 501264 = 15233^2 + 708^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232545553 is a prime.

It is not a weakly prime, because it can be changed into another prime (232545583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116272776 + 116272777.

It is an arithmetic number, because the mean of its divisors is an integer number (116272777).

Almost surely, 2^232545553 is an apocalyptic number.

It is an amenable number.

232545553 is a deficient number, since it is larger than the sum of its proper divisors (1).

232545553 is an equidigital number, since it uses as much as digits as its factorization.

232545553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90000, while the sum is 34.

The square root of 232545553 is about 15249.4443505329. Note that the first 3 decimals coincide. The cubic root of 232545553 is about 614.9446293816.

The spelling of 232545553 in words is "two hundred thirty-two million, five hundred forty-five thousand, five hundred fifty-three".