265130515 has 16 divisors (see below), whose sum is σ = 343044576. Its totient is φ = 195552000.

The previous prime is 265130513. The next prime is 265130519. The reversal of 265130515 is 515031562.

It is not a de Polignac number, because 265130515 - 2¹ = 265130513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265130513) 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, 66375 + ... + 70255.

It is an arithmetic number, because the mean of its divisors is an integer number (21440286).

Almost surely, 2^265130515 is an apocalyptic number.

265130515 is a deficient number, since it is larger than the sum of its proper divisors (77914061).

265130515 is a wasteful number, since it uses less digits than its factorization.

265130515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4950.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 265130515 is about 16282.8288389948. The cubic root of 265130515 is about 642.4212604179.

The spelling of 265130515 in words is "two hundred sixty-five million, one hundred thirty thousand, five hundred fifteen".