515232065 has 4 divisors (see below), whose sum is σ = 618278484. Its totient is φ = 412185648.

The previous prime is 515232061. The next prime is 515232097. The reversal of 515232065 is 560232515.

It is a happy number.

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 307756849 + 207475216 = 17543^2 + 14404^2 .

It is a cyclic number.

It is not a de Polignac number, because 515232065 - 2² = 515232061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (515232061) 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, 51523202 + ... + 51523211.

It is an arithmetic number, because the mean of its divisors is an integer number (154569621).

Almost surely, 2^515232065 is an apocalyptic number.

It is an amenable number.

515232065 is a deficient number, since it is larger than the sum of its proper divisors (103046419).

515232065 is a wasteful number, since it uses less digits than its factorization.

515232065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103046418.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 515232065 is about 22698.7238628078. The cubic root of 515232065 is about 801.6798374015.

The spelling of 515232065 in words is "five hundred fifteen million, two hundred thirty-two thousand, sixty-five".