268512401 has 2 divisors, whose sum is σ = 268512402. Its totient is φ = 268512400.

The previous prime is 268512397. The next prime is 268512463. The reversal of 268512401 is 104215862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227859025 + 40653376 = 15095^2 + 6376^2 .

It is a cyclic number.

It is not a de Polignac number, because 268512401 - 2² = 268512397 is a prime.

It is not a weakly prime, because it can be changed into another prime (268512701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134256200 + 134256201.

It is an arithmetic number, because the mean of its divisors is an integer number (134256201).

Almost surely, 2^268512401 is an apocalyptic number.

It is an amenable number.

268512401 is a deficient number, since it is larger than the sum of its proper divisors (1).

268512401 is an equidigital number, since it uses as much as digits as its factorization.

268512401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 268512401 is about 16386.3480068013. The cubic root of 268512401 is about 645.1412073907.

The spelling of 268512401 in words is "two hundred sixty-eight million, five hundred twelve thousand, four hundred one".