266253545 has 8 divisors (see below), whose sum is σ = 319670280. Its totient is φ = 212892160.

The previous prime is 266253539. The next prime is 266253551. The reversal of 266253545 is 545352662.

It is an interprime number because it is at equal distance from previous prime (266253539) and next prime (266253551).

It can be written as a sum of positive squares in 4 ways, for example, as 60388441 + 205865104 = 7771^2 + 14348^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 266253545 - 2⁴ = 266253529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 266253499 and 266253508.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2390 + ... + 23199.

It is an arithmetic number, because the mean of its divisors is an integer number (39958785).

Almost surely, 2^266253545 is an apocalyptic number.

It is an amenable number.

266253545 is a deficient number, since it is larger than the sum of its proper divisors (53416735).

266253545 is a wasteful number, since it uses less digits than its factorization.

266253545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27675.

The product of its digits is 216000, while the sum is 38.

The square root of 266253545 is about 16317.2774996321. The cubic root of 266253545 is about 643.3270307907.

The spelling of 266253545 in words is "two hundred sixty-six million, two hundred fifty-three thousand, five hundred forty-five".