172512097 has 8 divisors (see below), whose sum is σ = 180613440. Its totient is φ = 164554320.

The previous prime is 172512061. The next prime is 172512103. The reversal of 172512097 is 790215271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172512097 is a prime.

It is a super-2 number, since 2×172512097² = 59520847222674818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172518097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33429 + ... + 38242.

It is an arithmetic number, because the mean of its divisors is an integer number (22576680).

Almost surely, 2^172512097 is an apocalyptic number.

It is an amenable number.

172512097 is a deficient number, since it is larger than the sum of its proper divisors (8101343).

172512097 is an equidigital number, since it uses as much as digits as its factorization.

172512097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71783.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 172512097 is about 13134.3860534096. The cubic root of 172512097 is about 556.6811530447.

The spelling of 172512097 in words is "one hundred seventy-two million, five hundred twelve thousand, ninety-seven".