233253857 has 2 divisors, whose sum is σ = 233253858. Its totient is φ = 233253856.

The previous prime is 233253847. The next prime is 233253859. The reversal of 233253857 is 758352332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165997456 + 67256401 = 12884^2 + 8201^2 .

It is a cyclic number.

It is not a de Polignac number, because 233253857 - 2⁶ = 233253793 is a prime.

Together with 233253859, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 233253857.

It is not a weakly prime, because it can be changed into another prime (233253859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116626928 + 116626929.

It is an arithmetic number, because the mean of its divisors is an integer number (116626929).

Almost surely, 2^233253857 is an apocalyptic number.

It is an amenable number.

233253857 is a deficient number, since it is larger than the sum of its proper divisors (1).

233253857 is an equidigital number, since it uses as much as digits as its factorization.

233253857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 38.

The square root of 233253857 is about 15272.6506212903. The cubic root of 233253857 is about 615.5683441106.

The spelling of 233253857 in words is "two hundred thirty-three million, two hundred fifty-three thousand, eight hundred fifty-seven".