268229537 has 2 divisors, whose sum is σ = 268229538. Its totient is φ = 268229536.

The previous prime is 268229471. The next prime is 268229543. The reversal of 268229537 is 735922862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252301456 + 15928081 = 15884^2 + 3991^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268229537 is a prime.

It is not a weakly prime, because it can be changed into another prime (268229557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134114768 + 134114769.

It is an arithmetic number, because the mean of its divisors is an integer number (134114769).

Almost surely, 2^268229537 is an apocalyptic number.

It is an amenable number.

268229537 is a deficient number, since it is larger than the sum of its proper divisors (1).

268229537 is an equidigital number, since it uses as much as digits as its factorization.

268229537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 44.

The square root of 268229537 is about 16377.7146452123. The cubic root of 268229537 is about 644.9145867708.

The spelling of 268229537 in words is "two hundred sixty-eight million, two hundred twenty-nine thousand, five hundred thirty-seven".