268681051 has 2 divisors, whose sum is σ = 268681052. Its totient is φ = 268681050.

The previous prime is 268681031. The next prime is 268681079. The reversal of 268681051 is 150186862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268681051 - 2¹⁵ = 268648283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 268681051.

It is not a weakly prime, because it can be changed into another prime (268681031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134340525 + 134340526.

It is an arithmetic number, because the mean of its divisors is an integer number (134340526).

Almost surely, 2^268681051 is an apocalyptic number.

268681051 is a deficient number, since it is larger than the sum of its proper divisors (1).

268681051 is an equidigital number, since it uses as much as digits as its factorization.

268681051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 268681051 is about 16391.4932510739. The cubic root of 268681051 is about 645.2762480726.

The spelling of 268681051 in words is "two hundred sixty-eight million, six hundred eighty-one thousand, fifty-one".