266125731 has 16 divisors (see below), whose sum is σ = 367073280. Its totient is φ = 171322560.

The previous prime is 266125729. The next prime is 266125733. The reversal of 266125731 is 137521662.

It is an interprime number because it is at equal distance from previous prime (266125729) and next prime (266125733).

It is not a de Polignac number, because 266125731 - 2¹ = 266125729 is a prime.

It is a super-2 number, since 2×266125731² = 141645809400568722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 266125692 and 266125701.

It is not an unprimeable number, because it can be changed into a prime (266125733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43935 + ... + 49623.

It is an arithmetic number, because the mean of its divisors is an integer number (22942080).

Almost surely, 2^266125731 is an apocalyptic number.

266125731 is a deficient number, since it is larger than the sum of its proper divisors (100947549).

266125731 is a wasteful number, since it uses less digits than its factorization.

266125731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6226.

The product of its digits is 15120, while the sum is 33.

The square root of 266125731 is about 16313.3605060392. The cubic root of 266125731 is about 643.2240720838.

The spelling of 266125731 in words is "two hundred sixty-six million, one hundred twenty-five thousand, seven hundred thirty-one".