153345317 has 2 divisors, whose sum is σ = 153345318. Its totient is φ = 153345316.

The previous prime is 153345299. The next prime is 153345319. The reversal of 153345317 is 713543351.

153345317 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 can be written as a sum of positive squares in only one way, i.e., 153115876 + 229441 = 12374^2 + 479^2 .

It is an emirp because it is prime and its reverse (713543351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 153345317 - 2¹⁸ = 153083173 is a prime.

Together with 153345319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153345319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76672658 + 76672659.

It is an arithmetic number, because the mean of its divisors is an integer number (76672659).

Almost surely, 2^153345317 is an apocalyptic number.

It is an amenable number.

153345317 is a deficient number, since it is larger than the sum of its proper divisors (1).

153345317 is an equidigital number, since it uses as much as digits as its factorization.

153345317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 32.

The square root of 153345317 is about 12383.2676220778. The cubic root of 153345317 is about 535.2502011941.

Adding to 153345317 its reverse (713543351), we get a palindrome (866888668).

The spelling of 153345317 in words is "one hundred fifty-three million, three hundred forty-five thousand, three hundred seventeen".