152100217 has 2 divisors, whose sum is σ = 152100218. Its totient is φ = 152100216.

The previous prime is 152100209. The next prime is 152100269. The reversal of 152100217 is 712001251.

152100217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152053561 + 46656 = 12331^2 + 216^2 .

It is a cyclic number.

It is not a de Polignac number, because 152100217 - 2³ = 152100209 is a prime.

It is a super-2 number, since 2×152100217² = 46268952022894178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 152100194 and 152100203.

It is not a weakly prime, because it can be changed into another prime (152100917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76050108 + 76050109.

It is an arithmetic number, because the mean of its divisors is an integer number (76050109).

Almost surely, 2^152100217 is an apocalyptic number.

It is an amenable number.

152100217 is a deficient number, since it is larger than the sum of its proper divisors (1).

152100217 is an equidigital number, since it uses as much as digits as its factorization.

152100217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 152100217 is about 12332.8916722722. The cubic root of 152100217 is about 533.7975931030.

Adding to 152100217 its reverse (712001251), we get a palindrome (864101468).

The spelling of 152100217 in words is "one hundred fifty-two million, one hundred thousand, two hundred seventeen".