172412513 has 8 divisors (see below), whose sum is σ = 212200128. Its totient is φ = 136414224.

The previous prime is 172412501. The next prime is 172412549. The reversal of 172412513 is 315214271.

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 172412513 - 2²⁰ = 171363937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172417513) 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, 947231 + ... + 947412.

It is an arithmetic number, because the mean of its divisors is an integer number (26525016).

Almost surely, 2^172412513 is an apocalyptic number.

172412513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

172412513 is a deficient number, since it is larger than the sum of its proper divisors (39787615).

172412513 is a wasteful number, since it uses less digits than its factorization.

172412513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894663.

The product of its digits is 1680, while the sum is 26.

The square root of 172412513 is about 13130.5945409947. The cubic root of 172412513 is about 556.5740161977.

Adding to 172412513 its reverse (315214271), we get a palindrome (487626784).

The spelling of 172412513 in words is "one hundred seventy-two million, four hundred twelve thousand, five hundred thirteen".