172607313 has 4 divisors (see below), whose sum is σ = 230143088. Its totient is φ = 115071540.

The previous prime is 172607299. The next prime is 172607317. The reversal of 172607313 is 313706271.

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.

It is not a de Polignac number, because 172607313 - 2¹² = 172603217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (172607317) 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 3 ways as a sum of consecutive naturals, for example, 28767883 + ... + 28767888.

It is an arithmetic number, because the mean of its divisors is an integer number (57535772).

Almost surely, 2^172607313 is an apocalyptic number.

It is an amenable number.

172607313 is a deficient number, since it is larger than the sum of its proper divisors (57535775).

172607313 is an equidigital number, since it uses as much as digits as its factorization.

172607313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57535774.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 172607313 is about 13138.0102374751. The cubic root of 172607313 is about 556.7835520547.

The spelling of 172607313 in words is "one hundred seventy-two million, six hundred seven thousand, three hundred thirteen".