265143763 has 2 divisors, whose sum is σ = 265143764. Its totient is φ = 265143762.

The previous prime is 265143737. The next prime is 265143773. The reversal of 265143763 is 367341562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265143763 - 2¹³ = 265135571 is a prime.

It is not a weakly prime, because it can be changed into another prime (265143773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132571881 + 132571882.

It is an arithmetic number, because the mean of its divisors is an integer number (132571882).

Almost surely, 2^265143763 is an apocalyptic number.

265143763 is a deficient number, since it is larger than the sum of its proper divisors (1).

265143763 is an equidigital number, since it uses as much as digits as its factorization.

265143763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 37.

The square root of 265143763 is about 16283.2356428322. The cubic root of 265143763 is about 642.4319603746.

The spelling of 265143763 in words is "two hundred sixty-five million, one hundred forty-three thousand, seven hundred sixty-three".