265072481 has 2 divisors, whose sum is σ = 265072482. Its totient is φ = 265072480.

The previous prime is 265072471. The next prime is 265072519. The reversal of 265072481 is 184270562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 261921856 + 3150625 = 16184^2 + 1775^2 .

It is a cyclic number.

It is not a de Polignac number, because 265072481 - 2¹⁴ = 265056097 is a prime.

It is a super-2 number, since 2×265072481² = 140526840366990722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (265072471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132536240 + 132536241.

It is an arithmetic number, because the mean of its divisors is an integer number (132536241).

Almost surely, 2^265072481 is an apocalyptic number.

It is an amenable number.

265072481 is a deficient number, since it is larger than the sum of its proper divisors (1).

265072481 is an equidigital number, since it uses as much as digits as its factorization.

265072481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 265072481 is about 16281.0466801124. The cubic root of 265072481 is about 642.3743841389.

The spelling of 265072481 in words is "two hundred sixty-five million, seventy-two thousand, four hundred eighty-one".