265240793 has 2 divisors, whose sum is σ = 265240794. Its totient is φ = 265240792.

The previous prime is 265240751. The next prime is 265240799. The reversal of 265240793 is 397042562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253701184 + 11539609 = 15928^2 + 3397^2 .

It is a cyclic number.

It is not a de Polignac number, because 265240793 - 2⁸ = 265240537 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (265240799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132620396 + 132620397.

It is an arithmetic number, because the mean of its divisors is an integer number (132620397).

Almost surely, 2^265240793 is an apocalyptic number.

It is an amenable number.

265240793 is a deficient number, since it is larger than the sum of its proper divisors (1).

265240793 is an equidigital number, since it uses as much as digits as its factorization.

265240793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 265240793 is about 16286.2148149900. The cubic root of 265240793 is about 642.5103173259.

The spelling of 265240793 in words is "two hundred sixty-five million, two hundred forty thousand, seven hundred ninety-three".