268012541 has 2 divisors, whose sum is σ = 268012542. Its totient is φ = 268012540.

The previous prime is 268012523. The next prime is 268012601. The reversal of 268012541 is 145210862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266179225 + 1833316 = 16315^2 + 1354^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268012541 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 (268012441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134006270 + 134006271.

It is an arithmetic number, because the mean of its divisors is an integer number (134006271).

Almost surely, 2^268012541 is an apocalyptic number.

It is an amenable number.

268012541 is a deficient number, since it is larger than the sum of its proper divisors (1).

268012541 is an equidigital number, since it uses as much as digits as its factorization.

268012541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 268012541 is about 16371.0885710145. The cubic root of 268012541 is about 644.7406292441.

The spelling of 268012541 in words is "two hundred sixty-eight million, twelve thousand, five hundred forty-one".