515052263 has 4 divisors (see below), whose sum is σ = 561875208. Its totient is φ = 468229320.

The previous prime is 515052233. The next prime is 515052289. The reversal of 515052263 is 362250515.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 515052263 - 2⁸ = 515052007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515052203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23411456 + ... + 23411477.

It is an arithmetic number, because the mean of its divisors is an integer number (140468802).

Almost surely, 2^515052263 is an apocalyptic number.

515052263 is a deficient number, since it is larger than the sum of its proper divisors (46822945).

515052263 is a wasteful number, since it uses less digits than its factorization.

515052263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46822944.

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

The square root of 515052263 is about 22694.7628980785. The cubic root of 515052263 is about 801.5865717202.

The spelling of 515052263 in words is "five hundred fifteen million, fifty-two thousand, two hundred sixty-three".