52405262191 has 2 divisors, whose sum is σ = 52405262192. Its totient is φ = 52405262190.

The previous prime is 52405262113. The next prime is 52405262201. The reversal of 52405262191 is 19126250425.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52405262191 - 2²³ = 52396873583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52405262191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52405262101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26202631095 + 26202631096.

It is an arithmetic number, because the mean of its divisors is an integer number (26202631096).

Almost surely, 2^52405262191 is an apocalyptic number.

52405262191 is a deficient number, since it is larger than the sum of its proper divisors (1).

52405262191 is an equidigital number, since it uses as much as digits as its factorization.

52405262191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 52405262191 in words is "fifty-two billion, four hundred five million, two hundred sixty-two thousand, one hundred ninety-one".