52143541531 has 2 divisors, whose sum is σ = 52143541532. Its totient is φ = 52143541530.

The previous prime is 52143541493. The next prime is 52143541573. The reversal of 52143541531 is 13514534125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52143541531 - 2¹⁵ = 52143508763 is a prime.

It is a super-2 number, since 2×52143541531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52143541591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26071770765 + 26071770766.

It is an arithmetic number, because the mean of its divisors is an integer number (26071770766).

Almost surely, 2^52143541531 is an apocalyptic number.

52143541531 is a deficient number, since it is larger than the sum of its proper divisors (1).

52143541531 is an equidigital number, since it uses as much as digits as its factorization.

52143541531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36000, while the sum is 34.

The spelling of 52143541531 in words is "fifty-two billion, one hundred forty-three million, five hundred forty-one thousand, five hundred thirty-one".