172852801 has 4 divisors (see below), whose sum is σ = 188566704. Its totient is φ = 157138900.

The previous prime is 172852783. The next prime is 172852811. The reversal of 172852801 is 108258271.

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, and also an emirpimes, since its reverse is a distinct semiprime: 108258271 = 11 ⋅9841661.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172852801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172852811) 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 3 ways as a sum of consecutive naturals, for example, 7856935 + ... + 7856956.

It is an arithmetic number, because the mean of its divisors is an integer number (47141676).

Almost surely, 2^172852801 is an apocalyptic number.

172852801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

172852801 is a deficient number, since it is larger than the sum of its proper divisors (15713903).

172852801 is a wasteful number, since it uses less digits than its factorization.

172852801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15713902.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 172852801 is about 13147.3495808091. The cubic root of 172852801 is about 557.0473858608.

The spelling of 172852801 in words is "one hundred seventy-two million, eight hundred fifty-two thousand, eight hundred one".