268452731 has 2 divisors, whose sum is σ = 268452732. Its totient is φ = 268452730.

The previous prime is 268452689. The next prime is 268452817. The reversal of 268452731 is 137254862.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268452731 - 2²² = 264258427 is a prime.

It is a super-2 number, since 2×268452731² = 144133737562716722, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (268452031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134226365 + 134226366.

It is an arithmetic number, because the mean of its divisors is an integer number (134226366).

Almost surely, 2^268452731 is an apocalyptic number.

268452731 is a deficient number, since it is larger than the sum of its proper divisors (1).

268452731 is an equidigital number, since it uses as much as digits as its factorization.

268452731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 38.

The square root of 268452731 is about 16384.5271826806. The cubic root of 268452731 is about 645.0934151502.

The spelling of 268452731 in words is "two hundred sixty-eight million, four hundred fifty-two thousand, seven hundred thirty-one".