268357433 has 2 divisors, whose sum is σ = 268357434. Its totient is φ = 268357432.

The previous prime is 268357319. The next prime is 268357447. The reversal of 268357433 is 334753862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203119504 + 65237929 = 14252^2 + 8077^2 .

It is a cyclic number.

It is not a de Polignac number, because 268357433 - 2¹⁰ = 268356409 is a prime.

It is equal to p_14626787 and since 268357433 and 14626787 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (268353433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134178716 + 134178717.

It is an arithmetic number, because the mean of its divisors is an integer number (134178717).

Almost surely, 2^268357433 is an apocalyptic number.

It is an amenable number.

268357433 is a deficient number, since it is larger than the sum of its proper divisors (1).

268357433 is an equidigital number, since it uses as much as digits as its factorization.

268357433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 41.

The square root of 268357433 is about 16381.6187539571. The cubic root of 268357433 is about 645.0170722401.

The spelling of 268357433 in words is "two hundred sixty-eight million, three hundred fifty-seven thousand, four hundred thirty-three".