153054217 has 2 divisors, whose sum is σ = 153054218. Its totient is φ = 153054216.

The previous prime is 153054193. The next prime is 153054233. The reversal of 153054217 is 712450351.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144504441 + 8549776 = 12021^2 + 2924^2 .

It is an emirp because it is prime and its reverse (712450351) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153054217 is a prime.

It is not a weakly prime, because it can be changed into another prime (153054287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76527108 + 76527109.

It is an arithmetic number, because the mean of its divisors is an integer number (76527109).

Almost surely, 2^153054217 is an apocalyptic number.

It is an amenable number.

153054217 is a deficient number, since it is larger than the sum of its proper divisors (1).

153054217 is an equidigital number, since it uses as much as digits as its factorization.

153054217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 153054217 is about 12371.5082750649. The cubic root of 153054217 is about 534.9112928302.

The spelling of 153054217 in words is "one hundred fifty-three million, fifty-four thousand, two hundred seventeen".