162551017 has 2 divisors, whose sum is σ = 162551018. Its totient is φ = 162551016.

The previous prime is 162551009. The next prime is 162551029. The reversal of 162551017 is 710155261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135396496 + 27154521 = 11636^2 + 5211^2 .

It is an emirp because it is prime and its reverse (710155261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162551017 - 2³ = 162551009 is a prime.

It is not a weakly prime, because it can be changed into another prime (162551057) 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 as a sum of consecutive naturals, namely, 81275508 + 81275509.

It is an arithmetic number, because the mean of its divisors is an integer number (81275509).

Almost surely, 2^162551017 is an apocalyptic number.

It is an amenable number.

162551017 is a deficient number, since it is larger than the sum of its proper divisors (1).

162551017 is an equidigital number, since it uses as much as digits as its factorization.

162551017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 162551017 is about 12749.5496783220. The cubic root of 162551017 is about 545.7535428278.

The spelling of 162551017 in words is "one hundred sixty-two million, five hundred fifty-one thousand, seventeen".