152998217 has 2 divisors, whose sum is σ = 152998218. Its totient is φ = 152998216.

The previous prime is 152998211. The next prime is 152998243. The reversal of 152998217 is 712899251.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147161161 + 5837056 = 12131^2 + 2416^2 .

It is a cyclic number.

It is not a de Polignac number, because 152998217 - 2⁸ = 152997961 is a prime.

It is not a weakly prime, because it can be changed into another prime (152998211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76499108 + 76499109.

It is an arithmetic number, because the mean of its divisors is an integer number (76499109).

Almost surely, 2^152998217 is an apocalyptic number.

It is an amenable number.

152998217 is a deficient number, since it is larger than the sum of its proper divisors (1).

152998217 is an equidigital number, since it uses as much as digits as its factorization.

152998217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 44.

The square root of 152998217 is about 12369.2448031398. The cubic root of 152998217 is about 534.8460464814.

The spelling of 152998217 in words is "one hundred fifty-two million, nine hundred ninety-eight thousand, two hundred seventeen".