268211351 has 2 divisors, whose sum is σ = 268211352. Its totient is φ = 268211350.

The previous prime is 268211291. The next prime is 268211357. The reversal of 268211351 is 153112862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268211351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268211357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134105675 + 134105676.

It is an arithmetic number, because the mean of its divisors is an integer number (134105676).

Almost surely, 2^268211351 is an apocalyptic number.

268211351 is a deficient number, since it is larger than the sum of its proper divisors (1).

268211351 is an equidigital number, since it uses as much as digits as its factorization.

268211351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 29.

The square root of 268211351 is about 16377.1594301332. The cubic root of 268211351 is about 644.9000113418.

The spelling of 268211351 in words is "two hundred sixty-eight million, two hundred eleven thousand, three hundred fifty-one".