252134536847 has 2 divisors, whose sum is σ = 252134536848. Its totient is φ = 252134536846.

The previous prime is 252134536813. The next prime is 252134536897. The reversal of 252134536847 is 748635431252.

It is an a-pointer prime, because the next prime (252134536897) can be obtained adding 252134536847 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252134536847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252134536795 and 252134536804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252134536897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126067268423 + 126067268424.

It is an arithmetic number, because the mean of its divisors is an integer number (126067268424).

Almost surely, 2^252134536847 is an apocalyptic number.

252134536847 is a deficient number, since it is larger than the sum of its proper divisors (1).

252134536847 is an equidigital number, since it uses as much as digits as its factorization.

252134536847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4838400, while the sum is 50.

The spelling of 252134536847 in words is "two hundred fifty-two billion, one hundred thirty-four million, five hundred thirty-six thousand, eight hundred forty-seven".