52045512313 has 4 divisors (see below), whose sum is σ = 52046003088. Its totient is φ = 52045021540.

The previous prime is 52045512301. The next prime is 52045512361. The reversal of 52045512313 is 31321554025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52045512313 is a prime.

It is a super-3 number, since 3×52045512313³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52045512373) 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, 12883 + ... + 322888.

It is an arithmetic number, because the mean of its divisors is an integer number (13011500772).

Almost surely, 2^52045512313 is an apocalyptic number.

It is an amenable number.

52045512313 is a deficient number, since it is larger than the sum of its proper divisors (490775).

52045512313 is a wasteful number, since it uses less digits than its factorization.

52045512313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490774.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 52045512313 in words is "fifty-two billion, forty-five million, five hundred twelve thousand, three hundred thirteen".