268039573 has 2 divisors, whose sum is σ = 268039574. Its totient is φ = 268039572.

The previous prime is 268039567. The next prime is 268039613. The reversal of 268039573 is 375930862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 256736529 + 11303044 = 16023^2 + 3362^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268039573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268039553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134019786 + 134019787.

It is an arithmetic number, because the mean of its divisors is an integer number (134019787).

Almost surely, 2^268039573 is an apocalyptic number.

It is an amenable number.

268039573 is a deficient number, since it is larger than the sum of its proper divisors (1).

268039573 is an equidigital number, since it uses as much as digits as its factorization.

268039573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 268039573 is about 16371.9141519860. The cubic root of 268039573 is about 644.7623048999.

The spelling of 268039573 in words is "two hundred sixty-eight million, thirty-nine thousand, five hundred seventy-three".