268512451 has 4 divisors (see below), whose sum is σ = 271119472. Its totient is φ = 265905432.

The previous prime is 268512401. The next prime is 268512463. The reversal of 268512451 is 154215862.

It is a happy number.

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 268512451 - 2¹³ = 268504259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268512401) 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, 1303356 + ... + 1303561.

It is an arithmetic number, because the mean of its divisors is an integer number (67779868).

Almost surely, 2^268512451 is an apocalyptic number.

268512451 is a deficient number, since it is larger than the sum of its proper divisors (2607021).

268512451 is a wasteful number, since it uses less digits than its factorization.

268512451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607020.

The product of its digits is 19200, while the sum is 34.

The square root of 268512451 is about 16386.3495324615. The cubic root of 268512451 is about 645.1412474349.

The spelling of 268512451 in words is "two hundred sixty-eight million, five hundred twelve thousand, four hundred fifty-one".