172517248 has 16 divisors (see below), whose sum is σ = 343686960. Its totient is φ = 86258560.

The previous prime is 172517237. The next prime is 172517249. The reversal of 172517248 is 842715271.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172517249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673768 + ... + 674023.

It is an arithmetic number, because the mean of its divisors is an integer number (21480435).

Almost surely, 2^172517248 is an apocalyptic number.

It is an amenable number.

172517248 is a deficient number, since it is larger than the sum of its proper divisors (171169712).

172517248 is an equidigital number, since it uses as much as digits as its factorization.

172517248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347805 (or 1347793 counting only the distinct ones).

The product of its digits is 31360, while the sum is 37.

The square root of 172517248 is about 13134.5821402890. The cubic root of 172517248 is about 556.6866935955.

The spelling of 172517248 in words is "one hundred seventy-two million, five hundred seventeen thousand, two hundred forty-eight".