172535132 has 24 divisors (see below), whose sum is σ = 376440960. Its totient is φ = 67221360.

The previous prime is 172535081. The next prime is 172535137. The reversal of 172535132 is 231535271.

It is a junction number, because it is equal to n+sod(n) for n = 172535095 and 172535104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172535137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279782 + ... + 280397.

It is an arithmetic number, because the mean of its divisors is an integer number (15685040).

Almost surely, 2^172535132 is an apocalyptic number.

It is an amenable number.

172535132 is an abundant number, since it is smaller than the sum of its proper divisors (203905828).

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

172535132 is a wasteful number, since it uses less digits than its factorization.

172535132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560201 (or 560199 counting only the distinct ones).

The product of its digits is 6300, while the sum is 29.

The square root of 172535132 is about 13135.2629208554. The cubic root of 172535132 is about 556.7059292389.

The spelling of 172535132 in words is "one hundred seventy-two million, five hundred thirty-five thousand, one hundred thirty-two".