265440151 has 2 divisors, whose sum is σ = 265440152. Its totient is φ = 265440150.

The previous prime is 265440113. The next prime is 265440173. The reversal of 265440151 is 151044562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265440151 - 2²¹ = 263342999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265440751) 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, 132720075 + 132720076.

It is an arithmetic number, because the mean of its divisors is an integer number (132720076).

Almost surely, 2^265440151 is an apocalyptic number.

265440151 is a deficient number, since it is larger than the sum of its proper divisors (1).

265440151 is an equidigital number, since it uses as much as digits as its factorization.

265440151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 265440151 is about 16292.3341176149. The cubic root of 265440151 is about 642.6712497031.

The spelling of 265440151 in words is "two hundred sixty-five million, four hundred forty thousand, one hundred fifty-one".