266574049 has 4 divisors (see below), whose sum is σ = 304656064. Its totient is φ = 228492036.

The previous prime is 266574043. The next prime is 266574079. The reversal of 266574049 is 940475662.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 266574049 - 2⁵ = 266574017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 266573996 and 266574014.

It is not an unprimeable number, because it can be changed into a prime (266574043) 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, 19040997 + ... + 19041010.

It is an arithmetic number, because the mean of its divisors is an integer number (76164016).

Almost surely, 2^266574049 is an apocalyptic number.

It is an amenable number.

266574049 is a deficient number, since it is larger than the sum of its proper divisors (38082015).

266574049 is an equidigital number, since it uses as much as digits as its factorization.

266574049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38082014.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 266574049 is about 16327.0955469734. The cubic root of 266574049 is about 643.5850632967.

The spelling of 266574049 in words is "two hundred sixty-six million, five hundred seventy-four thousand, forty-nine".