216053147 has 2 divisors, whose sum is σ = 216053148. Its totient is φ = 216053146.

The previous prime is 216053143. The next prime is 216053177. The reversal of 216053147 is 741350612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216053147 - 2² = 216053143 is a prime.

It is not a weakly prime, because it can be changed into another prime (216053141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108026573 + 108026574.

It is an arithmetic number, because the mean of its divisors is an integer number (108026574).

Almost surely, 2^216053147 is an apocalyptic number.

216053147 is a deficient number, since it is larger than the sum of its proper divisors (1).

216053147 is an equidigital number, since it uses as much as digits as its factorization.

216053147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 216053147 is about 14698.7464431495. The cubic root of 216053147 is about 600.0492061497.

The spelling of 216053147 in words is "two hundred sixteen million, fifty-three thousand, one hundred forty-seven".