268445207 has 2 divisors, whose sum is σ = 268445208. Its totient is φ = 268445206.

The previous prime is 268445179. The next prime is 268445209. The reversal of 268445207 is 702544862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268445207 - 2⁸ = 268444951 is a prime.

It is a super-2 number, since 2×268445207² = 144125658322545698, which contains 22 as substring.

Together with 268445209, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268445209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134222603 + 134222604.

It is an arithmetic number, because the mean of its divisors is an integer number (134222604).

Almost surely, 2^268445207 is an apocalyptic number.

268445207 is a deficient number, since it is larger than the sum of its proper divisors (1).

268445207 is an equidigital number, since it uses as much as digits as its factorization.

268445207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 268445207 is about 16384.2975742020. The cubic root of 268445207 is about 645.0873883559.

The spelling of 268445207 in words is "two hundred sixty-eight million, four hundred forty-five thousand, two hundred seven".