1016542213 has 2 divisors, whose sum is σ = 1016542214. Its totient is φ = 1016542212.

The previous prime is 1016542171. The next prime is 1016542223. The reversal of 1016542213 is 3122456101.

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., 882862369 + 133679844 = 29713^2 + 11562^2 .

It is an emirp because it is prime and its reverse (3122456101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1016542213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1016542223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508271106 + 508271107.

It is an arithmetic number, because the mean of its divisors is an integer number (508271107).

Almost surely, 2^1016542213 is an apocalyptic number.

It is an amenable number.

1016542213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016542213 is an equidigital number, since it uses as much as digits as its factorization.

1016542213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1016542213 is about 31883.2591339091. The cubic root of 1016542213 is about 1005.4839424017.

Adding to 1016542213 its reverse (3122456101), we get a palindrome (4138998314).

The spelling of 1016542213 in words is "one billion, sixteen million, five hundred forty-two thousand, two hundred thirteen".