173215052 has 6 divisors (see below), whose sum is σ = 303126348. Its totient is φ = 86607524.

The previous prime is 173215013. The next prime is 173215099. The reversal of 173215052 is 250512371.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21651878 + ... + 21651885.

It is an arithmetic number, because the mean of its divisors is an integer number (50521058).

Almost surely, 2^173215052 is an apocalyptic number.

It is an amenable number.

173215052 is a deficient number, since it is larger than the sum of its proper divisors (129911296).

173215052 is a wasteful number, since it uses less digits than its factorization.

173215052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43303767 (or 43303765 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 173215052 is about 13161.1189493903. The cubic root of 173215052 is about 557.4362527069.

The spelling of 173215052 in words is "one hundred seventy-three million, two hundred fifteen thousand, fifty-two".