265100263 has 2 divisors, whose sum is σ = 265100264. Its totient is φ = 265100262.

The previous prime is 265100207. The next prime is 265100287. The reversal of 265100263 is 362001562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265100263 - 2¹³ = 265092071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265103263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132550131 + 132550132.

It is an arithmetic number, because the mean of its divisors is an integer number (132550132).

Almost surely, 2^265100263 is an apocalyptic number.

265100263 is a deficient number, since it is larger than the sum of its proper divisors (1).

265100263 is an equidigital number, since it uses as much as digits as its factorization.

265100263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 265100263 is about 16281.8998584318. The cubic root of 265100263 is about 642.3968255753.

The spelling of 265100263 in words is "two hundred sixty-five million, one hundred thousand, two hundred sixty-three".