43252502535 has 96 divisors (see below), whose sum is σ = 88938637632. Its totient is φ = 19203747840.

The previous prime is 43252502533. The next prime is 43252502549. The reversal of 43252502535 is 53520525234.

It is not a de Polignac number, because 43252502535 - 2¹ = 43252502533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43252502535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43252502533) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 241897 + ... + 380813.

It is an arithmetic number, because the mean of its divisors is an integer number (926444142).

Almost surely, 2^43252502535 is an apocalyptic number.

43252502535 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

43252502535 is an abundant number, since it is smaller than the sum of its proper divisors (45686135097).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43252502535 is a wasteful number, since it uses less digits than its factorization.

43252502535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138993 (or 138990 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

The spelling of 43252502535 in words is "forty-three billion, two hundred fifty-two million, five hundred two thousand, five hundred thirty-five".