268309003 has 2 divisors, whose sum is σ = 268309004. Its totient is φ = 268309002.

The previous prime is 268308983. The next prime is 268309021. The reversal of 268309003 is 300903862.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268309003 - 2¹³ = 268300811 is a prime.

It is not a weakly prime, because it can be changed into another prime (268309303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134154501 + 134154502.

It is an arithmetic number, because the mean of its divisors is an integer number (134154502).

Almost surely, 2^268309003 is an apocalyptic number.

268309003 is a deficient number, since it is larger than the sum of its proper divisors (1).

268309003 is an equidigital number, since it uses as much as digits as its factorization.

268309003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 268309003 is about 16380.1405061129. The cubic root of 268309003 is about 644.9782682020.

The spelling of 268309003 in words is "two hundred sixty-eight million, three hundred nine thousand, three".