233520493 has 2 divisors, whose sum is σ = 233520494. Its totient is φ = 233520492.

The previous prime is 233520481. The next prime is 233520533. The reversal of 233520493 is 394025332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192598884 + 40921609 = 13878^2 + 6397^2 .

It is a cyclic number.

It is not a de Polignac number, because 233520493 - 2⁹ = 233519981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233520433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116760246 + 116760247.

It is an arithmetic number, because the mean of its divisors is an integer number (116760247).

Almost surely, 2^233520493 is an apocalyptic number.

It is an amenable number.

233520493 is a deficient number, since it is larger than the sum of its proper divisors (1).

233520493 is an equidigital number, since it uses as much as digits as its factorization.

233520493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 233520493 is about 15281.3773266679. The cubic root of 233520493 is about 615.8028099439.

The spelling of 233520493 in words is "two hundred thirty-three million, five hundred twenty thousand, four hundred ninety-three".