172104527 has 8 divisors (see below), whose sum is σ = 207043200. Its totient is φ = 139753944.

The previous prime is 172104523. The next prime is 172104547. The reversal of 172104527 is 725401271.

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

It is a cyclic number.

It is not a de Polignac number, because 172104527 - 2² = 172104523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 172104527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172104521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646877 + ... + 647142.

It is an arithmetic number, because the mean of its divisors is an integer number (25880400).

Almost surely, 2^172104527 is an apocalyptic number.

172104527 is a deficient number, since it is larger than the sum of its proper divisors (34938673).

172104527 is a wasteful number, since it uses less digits than its factorization.

172104527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294045.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 172104527 is about 13118.8614978587. The cubic root of 172104527 is about 556.2424099962.

Adding to 172104527 its reverse (725401271), we get a palindrome (897505798).

The spelling of 172104527 in words is "one hundred seventy-two million, one hundred four thousand, five hundred twenty-seven".