268597465 has 4 divisors (see below), whose sum is σ = 322316964. Its totient is φ = 214877968.

The previous prime is 268597463. The next prime is 268597489. The reversal of 268597465 is 564795862.

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

It can be written as a sum of positive squares in 2 ways, for example, as 150136009 + 118461456 = 12253^2 + 10884^2 .

It is a cyclic number.

It is not a de Polignac number, because 268597465 - 2¹ = 268597463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268597463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26859742 + ... + 26859751.

It is an arithmetic number, because the mean of its divisors is an integer number (80579241).

Almost surely, 2^268597465 is an apocalyptic number.

It is an amenable number.

268597465 is a deficient number, since it is larger than the sum of its proper divisors (53719499).

268597465 is an equidigital number, since it uses as much as digits as its factorization.

268597465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53719498.

The product of its digits is 3628800, while the sum is 52.

The square root of 268597465 is about 16388.9433765573. The cubic root of 268597465 is about 645.2093265259.

The spelling of 268597465 in words is "two hundred sixty-eight million, five hundred ninety-seven thousand, four hundred sixty-five".