531529053271 has 4 divisors (see below), whose sum is σ = 542838182112. Its totient is φ = 520219924432.

The previous prime is 531529053199. The next prime is 531529053287. The reversal of 531529053271 is 172350925135.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 531529053271 - 2¹¹ = 531529051223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531529053371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5654564350 + ... + 5654564443.

It is an arithmetic number, because the mean of its divisors is an integer number (135709545528).

Almost surely, 2^531529053271 is an apocalyptic number.

531529053271 is a deficient number, since it is larger than the sum of its proper divisors (11309128841).

531529053271 is a wasteful number, since it uses less digits than its factorization.

531529053271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11309128840.

The product of its (nonzero) digits is 283500, while the sum is 43.

The spelling of 531529053271 in words is "five hundred thirty-one billion, five hundred twenty-nine million, fifty-three thousand, two hundred seventy-one".