513264265 has 4 divisors (see below), whose sum is σ = 615917124. Its totient is φ = 410611408.

The previous prime is 513264263. The next prime is 513264293. The reversal of 513264265 is 562462315.

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

It can be written as a sum of positive squares in 2 ways, for example, as 326777929 + 186486336 = 18077^2 + 13656^2 .

It is a cyclic number.

It is not a de Polignac number, because 513264265 - 2¹ = 513264263 is a prime.

It is a super-3 number, since 3×513264265³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 513264265.

It is not an unprimeable number, because it can be changed into a prime (513264263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51326422 + ... + 51326431.

It is an arithmetic number, because the mean of its divisors is an integer number (153979281).

Almost surely, 2^513264265 is an apocalyptic number.

It is an amenable number.

513264265 is a deficient number, since it is larger than the sum of its proper divisors (102652859).

513264265 is a wasteful number, since it uses less digits than its factorization.

513264265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102652858.

The product of its digits is 43200, while the sum is 34.

The square root of 513264265 is about 22655.3363470949. The cubic root of 513264265 is about 800.6579301158.

The spelling of 513264265 in words is "five hundred thirteen million, two hundred sixty-four thousand, two hundred sixty-five".