153509219 has 2 divisors, whose sum is σ = 153509220. Its totient is φ = 153509218.

The previous prime is 153509173. The next prime is 153509221. The reversal of 153509219 is 912905351.

153509219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153509219 is a prime.

It is a super-2 number, since 2×153509219² = 47130160635979922, which contains 22 as substring.

Together with 153509221, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (153509249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76754609 + 76754610.

It is an arithmetic number, because the mean of its divisors is an integer number (76754610).

Almost surely, 2^153509219 is an apocalyptic number.

153509219 is a deficient number, since it is larger than the sum of its proper divisors (1).

153509219 is an equidigital number, since it uses as much as digits as its factorization.

153509219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 35.

The square root of 153509219 is about 12389.8837363391. The cubic root of 153509219 is about 535.4408326889.

The spelling of 153509219 in words is "one hundred fifty-three million, five hundred nine thousand, two hundred nineteen".