268040501 has 2 divisors, whose sum is σ = 268040502. Its totient is φ = 268040500.

The previous prime is 268040489. The next prime is 268040573. The reversal of 268040501 is 105040862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178756900 + 89283601 = 13370^2 + 9449^2 .

It is a cyclic number.

It is not a de Polignac number, because 268040501 - 2²² = 263846197 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 (268000501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134020250 + 134020251.

It is an arithmetic number, because the mean of its divisors is an integer number (134020251).

Almost surely, 2^268040501 is an apocalyptic number.

It is an amenable number.

268040501 is a deficient number, since it is larger than the sum of its proper divisors (1).

268040501 is an equidigital number, since it uses as much as digits as its factorization.

268040501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 268040501 is about 16371.9424931802. The cubic root of 268040501 is about 644.7630489924.

The spelling of 268040501 in words is "two hundred sixty-eight million, forty thousand, five hundred one".