265465427 has 4 divisors (see below), whose sum is σ = 265684776. Its totient is φ = 265246080.

The previous prime is 265465349. The next prime is 265465439. The reversal of 265465427 is 724564562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 265465427 - 2⁸ = 265465171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265465027) 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 in 3 ways as a sum of consecutive naturals, for example, 107849 + ... + 110282.

It is an arithmetic number, because the mean of its divisors is an integer number (66421194).

Almost surely, 2^265465427 is an apocalyptic number.

265465427 is a deficient number, since it is larger than the sum of its proper divisors (219349).

265465427 is a wasteful number, since it uses less digits than its factorization.

265465427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219348.

The product of its digits is 403200, while the sum is 41.

The square root of 265465427 is about 16293.1098013854. The cubic root of 265465427 is about 642.6916480777.

The spelling of 265465427 in words is "two hundred sixty-five million, four hundred sixty-five thousand, four hundred twenty-seven".