52130016391 has 2 divisors, whose sum is σ = 52130016392. Its totient is φ = 52130016390.

The previous prime is 52130016271. The next prime is 52130016437. The reversal of 52130016391 is 19361003125.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52130016391 - 2¹⁵ = 52129983623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52130016091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26065008195 + 26065008196.

It is an arithmetic number, because the mean of its divisors is an integer number (26065008196).

Almost surely, 2^52130016391 is an apocalyptic number.

52130016391 is a deficient number, since it is larger than the sum of its proper divisors (1).

52130016391 is an equidigital number, since it uses as much as digits as its factorization.

52130016391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 31.

The spelling of 52130016391 in words is "fifty-two billion, one hundred thirty million, sixteen thousand, three hundred ninety-one".