266925793 has 2 divisors, whose sum is σ = 266925794. Its totient is φ = 266925792.

The previous prime is 266925749. The next prime is 266925803. The reversal of 266925793 is 397529662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 266897569 + 28224 = 16337^2 + 168^2 .

It is a cyclic number.

It is not a de Polignac number, because 266925793 - 2²⁵ = 233371361 is a prime.

It is not a weakly prime, because it can be changed into another prime (266922793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133462896 + 133462897.

It is an arithmetic number, because the mean of its divisors is an integer number (133462897).

Almost surely, 2^266925793 is an apocalyptic number.

It is an amenable number.

266925793 is a deficient number, since it is larger than the sum of its proper divisors (1).

266925793 is an equidigital number, since it uses as much as digits as its factorization.

266925793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 49.

The square root of 266925793 is about 16337.8637832490. The cubic root of 266925793 is about 643.8680086799.

The spelling of 266925793 in words is "two hundred sixty-six million, nine hundred twenty-five thousand, seven hundred ninety-three".