265063530 has 32 divisors (see below), whose sum is σ = 638705088. Its totient is φ = 70400000.

The previous prime is 265063501. The next prime is 265063531. The reversal of 265063530 is 35360562.

265063530 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (265063531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10071 + ... + 25130.

It is an arithmetic number, because the mean of its divisors is an integer number (19959534).

Almost surely, 2^265063530 is an apocalyptic number.

265063530 is an abundant number, since it is smaller than the sum of its proper divisors (373641558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265063530 is a wasteful number, since it uses less digits than its factorization.

265063530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35462.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 265063530 is about 16280.7717876027. The cubic root of 265063530 is about 642.3671534652.

The spelling of 265063530 in words is "two hundred sixty-five million, sixty-three thousand, five hundred thirty".