52612918387 has 2 divisors, whose sum is σ = 52612918388. Its totient is φ = 52612918386.

The previous prime is 52612918343. The next prime is 52612918441. The reversal of 52612918387 is 78381921625.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52612918387 is a prime.

It is not a weakly prime, because it can be changed into another prime (52612918307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26306459193 + 26306459194.

It is an arithmetic number, because the mean of its divisors is an integer number (26306459194).

Almost surely, 2^52612918387 is an apocalyptic number.

52612918387 is a deficient number, since it is larger than the sum of its proper divisors (1).

52612918387 is an equidigital number, since it uses as much as digits as its factorization.

52612918387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 52.

The spelling of 52612918387 in words is "fifty-two billion, six hundred twelve million, nine hundred eighteen thousand, three hundred eighty-seven".