162572313 has 4 divisors (see below), whose sum is σ = 216763088. Its totient is φ = 108381540.

The previous prime is 162572287. The next prime is 162572369. The reversal of 162572313 is 313275261.

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 162572313 - 2²⁵ = 129017881 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 (162572383) 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, 27095383 + ... + 27095388.

It is an arithmetic number, because the mean of its divisors is an integer number (54190772).

Almost surely, 2^162572313 is an apocalyptic number.

It is an amenable number.

162572313 is a deficient number, since it is larger than the sum of its proper divisors (54190775).

162572313 is an equidigital number, since it uses as much as digits as its factorization.

162572313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54190774.

The product of its digits is 7560, while the sum is 30.

The square root of 162572313 is about 12750.3848177222. The cubic root of 162572313 is about 545.7773750584. Note that the first 3 decimals are identical.

The spelling of 162572313 in words is "one hundred sixty-two million, five hundred seventy-two thousand, three hundred thirteen".