268575403 has 2 divisors, whose sum is σ = 268575404. Its totient is φ = 268575402.

The previous prime is 268575361. The next prime is 268575421. The reversal of 268575403 is 304575862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268575403 is a prime.

It is a super-2 number, since 2×268575403² = 144265494193224818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (268575803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134287701 + 134287702.

It is an arithmetic number, because the mean of its divisors is an integer number (134287702).

Almost surely, 2^268575403 is an apocalyptic number.

268575403 is a deficient number, since it is larger than the sum of its proper divisors (1).

268575403 is an equidigital number, since it uses as much as digits as its factorization.

268575403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 268575403 is about 16388.2702870071. The cubic root of 268575403 is about 645.1916606879.

The spelling of 268575403 in words is "two hundred sixty-eight million, five hundred seventy-five thousand, four hundred three".