268597451 has 2 divisors, whose sum is σ = 268597452. Its totient is φ = 268597450.

The previous prime is 268597447. The next prime is 268597463. The reversal of 268597451 is 154795862.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268597451 - 2² = 268597447 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 268597396 and 268597405.

It is not a weakly prime, because it can be changed into another prime (268597421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134298725 + 134298726.

It is an arithmetic number, because the mean of its divisors is an integer number (134298726).

Almost surely, 2^268597451 is an apocalyptic number.

268597451 is a deficient number, since it is larger than the sum of its proper divisors (1).

268597451 is an equidigital number, since it uses as much as digits as its factorization.

268597451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 47.

The square root of 268597451 is about 16388.9429494400. The cubic root of 268597451 is about 645.2093153159.

The spelling of 268597451 in words is "two hundred sixty-eight million, five hundred ninety-seven thousand, four hundred fifty-one".