268501 has 2 divisors, whose sum is σ = 268502. Its totient is φ = 268500.

The previous prime is 268493. The next prime is 268507. The reversal of 268501 is 105862.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181476 + 87025 = 426^2 + 295^2 .

It is a cyclic number.

It is not a de Polignac number, because 268501 - 2³ = 268493 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 (268507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134250 + 134251.

It is an arithmetic number, because the mean of its divisors is an integer number (134251).

2²⁶⁸⁵⁰¹ is an apocalyptic number.

It is an amenable number.

268501 is a deficient number, since it is larger than the sum of its proper divisors (1).

268501 is an equidigital number, since it uses as much as digits as its factorization.

268501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 268501 is about 518.1708212549. The cubic root of 268501 is about 64.5132076392.

The spelling of 268501 in words is "two hundred sixty-eight thousand, five hundred one".