211513063 has 2 divisors, whose sum is σ = 211513064. Its totient is φ = 211513062.

The previous prime is 211513051. The next prime is 211513091. The reversal of 211513063 is 360315112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211513063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211513013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105756531 + 105756532.

It is an arithmetic number, because the mean of its divisors is an integer number (105756532).

Almost surely, 2^211513063 is an apocalyptic number.

211513063 is a deficient number, since it is larger than the sum of its proper divisors (1).

211513063 is an equidigital number, since it uses as much as digits as its factorization.

211513063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 211513063 is about 14543.4886805058. The cubic root of 211513063 is about 595.8163246072.

Adding to 211513063 its reverse (360315112), we get a palindrome (571828175).

The spelling of 211513063 in words is "two hundred eleven million, five hundred thirteen thousand, sixty-three".