268435451 has 4 divisors (see below), whose sum is σ = 272216304. Its totient is φ = 264654600.

The previous prime is 268435399. The next prime is 268435459. The reversal of 268435451 is 154534862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268435451 - 2²² = 264241147 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (268435459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1890320 + ... + 1890461.

It is an arithmetic number, because the mean of its divisors is an integer number (68054076).

Almost surely, 2^268435451 is an apocalyptic number.

268435451 is a deficient number, since it is larger than the sum of its proper divisors (3780853).

268435451 is an equidigital number, since it uses as much as digits as its factorization.

268435451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3780852.

The product of its digits is 115200, while the sum is 38.

The square root of 268435451 is about 16383.9998474121. Note that the first 3 decimals coincide. The cubic root of 268435451 is about 645.0795735410.

The spelling of 268435451 in words is "two hundred sixty-eight million, four hundred thirty-five thousand, four hundred fifty-one".