268226501 has 2 divisors, whose sum is σ = 268226502. Its totient is φ = 268226500.

The previous prime is 268226479. The next prime is 268226507. The reversal of 268226501 is 105622862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196840900 + 71385601 = 14030^2 + 8449^2 .

It is a cyclic number.

It is not a de Polignac number, because 268226501 - 2¹⁸ = 267964357 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268226507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134113250 + 134113251.

It is an arithmetic number, because the mean of its divisors is an integer number (134113251).

Almost surely, 2^268226501 is an apocalyptic number.

It is an amenable number.

268226501 is a deficient number, since it is larger than the sum of its proper divisors (1).

268226501 is an equidigital number, since it uses as much as digits as its factorization.

268226501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 268226501 is about 16377.6219580255. The cubic root of 268226501 is about 644.9121535711.

The spelling of 268226501 in words is "two hundred sixty-eight million, two hundred twenty-six thousand, five hundred one".