216153053 has 2 divisors, whose sum is σ = 216153054. Its totient is φ = 216153052.

The previous prime is 216153031. The next prime is 216153059. The reversal of 216153053 is 350351612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123165604 + 92987449 = 11098^2 + 9643^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216153053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216153059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108076526 + 108076527.

It is an arithmetic number, because the mean of its divisors is an integer number (108076527).

Almost surely, 2^216153053 is an apocalyptic number.

It is an amenable number.

216153053 is a deficient number, since it is larger than the sum of its proper divisors (1).

216153053 is an equidigital number, since it uses as much as digits as its factorization.

216153053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 216153053 is about 14702.1445034389. The cubic root of 216153053 is about 600.1416822817.

The spelling of 216153053 in words is "two hundred sixteen million, one hundred fifty-three thousand, fifty-three".