266053043 has 4 divisors (see below), whose sum is σ = 281703240. Its totient is φ = 250402848.

The previous prime is 266053037. The next prime is 266053087. The reversal of 266053043 is 340350662.

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 266053043 - 2⁶ = 266052979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 266052997 and 266053015.

It is not an unprimeable number, because it can be changed into a prime (266053003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7825073 + ... + 7825106.

It is an arithmetic number, because the mean of its divisors is an integer number (70425810).

Almost surely, 2^266053043 is an apocalyptic number.

266053043 is a deficient number, since it is larger than the sum of its proper divisors (15650197).

266053043 is a wasteful number, since it uses less digits than its factorization.

266053043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15650196.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 266053043 is about 16311.1324867405. The cubic root of 266053043 is about 643.1655046182.

The spelling of 266053043 in words is "two hundred sixty-six million, fifty-three thousand, forty-three".