266372725 has 6 divisors (see below), whose sum is σ = 330302210. Its totient is φ = 213098160.

The previous prime is 266372713. The next prime is 266372749. The reversal of 266372725 is 527273662.

It can be written as a sum of positive squares in 3 ways, for example, as 75325041 + 191047684 = 8679^2 + 13822^2 .

It is not a de Polignac number, because 266372725 - 2¹¹ = 266370677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5327430 + ... + 5327479.

Almost surely, 2^266372725 is an apocalyptic number.

266372725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

266372725 is a deficient number, since it is larger than the sum of its proper divisors (63929485).

266372725 is a wasteful number, since it uses less digits than its factorization.

266372725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10654919 (or 10654914 counting only the distinct ones).

The product of its digits is 211680, while the sum is 40.

The square root of 266372725 is about 16320.9290483109. The cubic root of 266372725 is about 643.4230048224.

The spelling of 266372725 in words is "two hundred sixty-six million, three hundred seventy-two thousand, seven hundred twenty-five".