52173212242513 has 8 divisors (see below), whose sum is σ = 52209154131840. Its totient is φ = 52137282465840.

The previous prime is 52173212242511. The next prime is 52173212242531. The reversal of 52173212242513 is 31524221237125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52173212242513 - 2¹ = 52173212242511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52173212242511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5597923 + ... + 11648311.

It is an arithmetic number, because the mean of its divisors is an integer number (6526144266480).

Almost surely, 2^{52173212242513} is an apocalyptic number.

It is an amenable number.

52173212242513 is a deficient number, since it is larger than the sum of its proper divisors (35941889327).

52173212242513 is a wasteful number, since it uses less digits than its factorization.

52173212242513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6056327.

The product of its digits is 201600, while the sum is 40.

Adding to 52173212242513 its reverse (31524221237125), we get a palindrome (83697433479638).

The spelling of 52173212242513 in words is "fifty-two trillion, one hundred seventy-three billion, two hundred twelve million, two hundred forty-two thousand, five hundred thirteen".