265040530 has 16 divisors (see below), whose sum is σ = 478583640. Its totient is φ = 105680512.

The previous prime is 265040521. The next prime is 265040533. The reversal of 265040530 is 35040562.

265040530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 115541001 + 149499529 = 10749^2 + 12227^2 .

It is a junction number, because it is equal to n+sod(n) for n = 265040495 and 265040504.

It is not an unprimeable number, because it can be changed into a prime (265040533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38635 + ... + 44974.

Almost surely, 2^265040530 is an apocalyptic number.

265040530 is a deficient number, since it is larger than the sum of its proper divisors (213543110).

265040530 is a wasteful number, since it uses less digits than its factorization.

265040530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83933.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 265040530 is about 16280.0654175590. The cubic root of 265040530 is about 642.3485731751.

The spelling of 265040530 in words is "two hundred sixty-five million, forty thousand, five hundred thirty".