268061831 has 4 divisors (see below), whose sum is σ = 283830192. Its totient is φ = 252293472.

The previous prime is 268061749. The next prime is 268061837. The reversal of 268061831 is 138160862.

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 268061831 - 2¹⁴ = 268045447 is a prime.

It is a super-2 number, since 2×268061831² = 143714290478145122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268061791 and 268061800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268061837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7884155 + ... + 7884188.

It is an arithmetic number, because the mean of its divisors is an integer number (70957548).

Almost surely, 2^268061831 is an apocalyptic number.

268061831 is a deficient number, since it is larger than the sum of its proper divisors (15768361).

268061831 is a wasteful number, since it uses less digits than its factorization.

268061831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15768360.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 268061831 is about 16372.5938995628. The cubic root of 268061831 is about 644.7801514216.

The spelling of 268061831 in words is "two hundred sixty-eight million, sixty-one thousand, eight hundred thirty-one".