171242552 has 16 divisors (see below), whose sum is σ = 345778440. Its totient is φ = 79034976.

The previous prime is 171242483. The next prime is 171242563. The reversal of 171242552 is 255242171.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 823178 + ... + 823385.

Almost surely, 2^171242552 is an apocalyptic number.

It is an amenable number.

171242552 is an abundant number, since it is smaller than the sum of its proper divisors (174535888).

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

171242552 is a wasteful number, since it uses less digits than its factorization.

171242552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646582 (or 1646578 counting only the distinct ones).

The product of its digits is 5600, while the sum is 29.

The square root of 171242552 is about 13085.9677517561. The cubic root of 171242552 is about 555.3122199640.

The spelling of 171242552 in words is "one hundred seventy-one million, two hundred forty-two thousand, five hundred fifty-two".