52520302519 has 4 divisors (see below), whose sum is σ = 52520832520. Its totient is φ = 52519772520.

The previous prime is 52520302501. The next prime is 52520302547. The reversal of 52520302519 is 91520302525.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 52520302519 - 2⁵ = 52520302487 is a prime.

It is a super-2 number, since 2×52520302519² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52520302019) 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, 67089 + ... + 330970.

It is an arithmetic number, because the mean of its divisors is an integer number (13130208130).

Almost surely, 2^52520302519 is an apocalyptic number.

52520302519 is a deficient number, since it is larger than the sum of its proper divisors (530001).

52520302519 is a wasteful number, since it uses less digits than its factorization.

52520302519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530000.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 52520302519 in words is "fifty-two billion, five hundred twenty million, three hundred two thousand, five hundred nineteen".