211255153 has 2 divisors, whose sum is σ = 211255154. Its totient is φ = 211255152.

The previous prime is 211255133. The next prime is 211255159. The reversal of 211255153 is 351552112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161594944 + 49660209 = 12712^2 + 7047^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211255153 is a prime.

It is not a weakly prime, because it can be changed into another prime (211255159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105627576 + 105627577.

It is an arithmetic number, because the mean of its divisors is an integer number (105627577).

Almost surely, 2^211255153 is an apocalyptic number.

It is an amenable number.

211255153 is a deficient number, since it is larger than the sum of its proper divisors (1).

211255153 is an equidigital number, since it uses as much as digits as its factorization.

211255153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1500, while the sum is 25.

The square root of 211255153 is about 14534.6191212567. The cubic root of 211255153 is about 595.5740551121.

The spelling of 211255153 in words is "two hundred eleven million, two hundred fifty-five thousand, one hundred fifty-three".