265263151 has 2 divisors, whose sum is σ = 265263152. Its totient is φ = 265263150.

The previous prime is 265263139. The next prime is 265263169. The reversal of 265263151 is 151362562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 265263151 - 2¹⁹ = 264738863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265263191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132631575 + 132631576.

It is an arithmetic number, because the mean of its divisors is an integer number (132631576).

Almost surely, 2^265263151 is an apocalyptic number.

265263151 is a deficient number, since it is larger than the sum of its proper divisors (1).

265263151 is an equidigital number, since it uses as much as digits as its factorization.

265263151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 31.

The square root of 265263151 is about 16286.9012092540. The cubic root of 265263151 is about 642.5283699061.

The spelling of 265263151 in words is "two hundred sixty-five million, two hundred sixty-three thousand, one hundred fifty-one".