150217 has 2 divisors, whose sum is σ = 150218. Its totient is φ = 150216.

The previous prime is 150211. The next prime is 150221. The reversal of 150217 is 712051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84681 + 65536 = 291^2 + 256^2 .

It is an emirp because it is prime and its reverse (712051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 150217 - 2³ = 150209 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 150217.

It is not a weakly prime, because it can be changed into another prime (150211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75108 + 75109.

It is an arithmetic number, because the mean of its divisors is an integer number (75109).

2¹⁵⁰²¹⁷ is an apocalyptic number.

It is an amenable number.

150217 is a deficient number, since it is larger than the sum of its proper divisors (1).

150217 is an equidigital number, since it uses as much as digits as its factorization.

150217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 150217 is about 387.5783791699. The cubic root of 150217 is about 53.1585379924.

Adding to 150217 its reverse (712051), we get a palindrome (862268).

The spelling of 150217 in words is "one hundred fifty thousand, two hundred seventeen".