1516514213 has 2 divisors, whose sum is σ = 1516514214. Its totient is φ = 1516514212.

The previous prime is 1516514171. The next prime is 1516514221. The reversal of 1516514213 is 3124156151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1397114884 + 119399329 = 37378^2 + 10927^2 .

It is an emirp because it is prime and its reverse (3124156151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1516514213 - 2⁶ = 1516514149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1516514413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 758257106 + 758257107.

It is an arithmetic number, because the mean of its divisors is an integer number (758257107).

Almost surely, 2^1516514213 is an apocalyptic number.

It is an amenable number.

1516514213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1516514213 is an equidigital number, since it uses as much as digits as its factorization.

1516514213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 29.

The square root of 1516514213 is about 38942.4474449154. The cubic root of 1516514213 is about 1148.8998206605.

The spelling of 1516514213 in words is "one billion, five hundred sixteen million, five hundred fourteen thousand, two hundred thirteen".