162552317 has 4 divisors (see below), whose sum is σ = 172114236. Its totient is φ = 152990400.

The previous prime is 162552311. The next prime is 162552343. The reversal of 162552317 is 713255261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 713255261 = 29 ⋅24595009.

It can be written as a sum of positive squares in 2 ways, for example, as 143376676 + 19175641 = 11974^2 + 4379^2 .

It is a cyclic number.

It is not a de Polignac number, because 162552317 - 2⁴ = 162552301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162552311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4780934 + ... + 4780967.

It is an arithmetic number, because the mean of its divisors is an integer number (43028559).

Almost surely, 2^162552317 is an apocalyptic number.

162552317 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

162552317 is a deficient number, since it is larger than the sum of its proper divisors (9561919).

162552317 is an equidigital number, since it uses as much as digits as its factorization.

162552317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9561918.

The product of its digits is 12600, while the sum is 32.

The square root of 162552317 is about 12749.6006604129. The cubic root of 162552317 is about 545.7549977100.

The spelling of 162552317 in words is "one hundred sixty-two million, five hundred fifty-two thousand, three hundred seventeen".