173211252 has 48 divisors (see below), whose sum is σ = 423480960. Its totient is φ = 54997888.

The previous prime is 173211223. The next prime is 173211253. The reversal of 173211252 is 252112371.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173211253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73078 + ... + 75410.

It is an arithmetic number, because the mean of its divisors is an integer number (8822520).

Almost surely, 2^173211252 is an apocalyptic number.

173211252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 173211252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211740480).

173211252 is an abundant number, since it is smaller than the sum of its proper divisors (250269708).

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

173211252 is a wasteful number, since it uses less digits than its factorization.

173211252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632 (or 2630 counting only the distinct ones).

The product of its digits is 840, while the sum is 24.

The square root of 173211252 is about 13160.9745839736. The cubic root of 173211252 is about 557.4321763228.

The spelling of 173211252 in words is "one hundred seventy-three million, two hundred eleven thousand, two hundred fifty-two".