173225249 has 4 divisors (see below), whose sum is σ = 173459136. Its totient is φ = 172991364.

The previous prime is 173225203. The next prime is 173225263. The reversal of 173225249 is 942522371.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 173225249 - 2¹⁶ = 173159713 is a prime.

It is a super-2 number, since 2×173225249² = 60013973782224002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (170225249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115829 + ... + 117314.

It is an arithmetic number, because the mean of its divisors is an integer number (43364784).

Almost surely, 2^173225249 is an apocalyptic number.

It is an amenable number.

173225249 is a deficient number, since it is larger than the sum of its proper divisors (233887).

173225249 is an equidigital number, since it uses as much as digits as its factorization.

173225249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233886.

The product of its digits is 30240, while the sum is 35.

The square root of 173225249 is about 13161.5063347628. The cubic root of 173225249 is about 557.4471910672.

The spelling of 173225249 in words is "one hundred seventy-three million, two hundred twenty-five thousand, two hundred forty-nine".