1520027713 has 2 divisors, whose sum is σ = 1520027714. Its totient is φ = 1520027712.

The previous prime is 1520027629. The next prime is 1520027731. The reversal of 1520027713 is 3177200251.

Together with next prime (1520027731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1265082624 + 254945089 = 35568^2 + 15967^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1520027713 is a prime.

It is not a weakly prime, because it can be changed into another prime (1520027213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760013856 + 760013857.

It is an arithmetic number, because the mean of its divisors is an integer number (760013857).

Almost surely, 2^1520027713 is an apocalyptic number.

It is an amenable number.

1520027713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1520027713 is an equidigital number, since it uses as much as digits as its factorization.

1520027713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 1520027713 is about 38987.5327893418. The cubic root of 1520027713 is about 1149.7864034300.

Adding to 1520027713 its reverse (3177200251), we get a palindrome (4697227964).

The spelling of 1520027713 in words is "one billion, five hundred twenty million, twenty-seven thousand, seven hundred thirteen".