266049225 has 48 divisors (see below), whose sum is σ = 526355200. Its totient is φ = 130973760.

The previous prime is 266049209. The next prime is 266049263. The reversal of 266049225 is 522940662.

266049225 is a `hidden beast` number, since 26 + 604 + 9 + 2 + 25 = 666.

It is not a de Polignac number, because 266049225 - 2⁴ = 266049209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 266049225.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6385 + ... + 23934.

Almost surely, 2^266049225 is an apocalyptic number.

266049225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

266049225 is a deficient number, since it is larger than the sum of its proper divisors (260305975).

266049225 is a wasteful number, since it uses less digits than its factorization.

266049225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30351 (or 30340 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 266049225 is about 16311.0154496892. The cubic root of 266049225 is about 643.1624280167.

Adding to 266049225 its reverse (522940662), we get a palindrome (788989887).

The spelling of 266049225 in words is "two hundred sixty-six million, forty-nine thousand, two hundred twenty-five".