15130513 has 2 divisors, whose sum is σ = 15130514. Its totient is φ = 15130512.

The previous prime is 15130483. The next prime is 15130519. The reversal of 15130513 is 31503151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7579009 + 7551504 = 2753^2 + 2748^2 .

It is an emirp because it is prime and its reverse (31503151) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15130513 is a prime.

It is not a weakly prime, because it can be changed into another prime (15130519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7565256 + 7565257.

It is an arithmetic number, because the mean of its divisors is an integer number (7565257).

Almost surely, 2^15130513 is an apocalyptic number.

It is an amenable number.

15130513 is a deficient number, since it is larger than the sum of its proper divisors (1).

15130513 is an equidigital number, since it uses as much as digits as its factorization.

15130513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 15130513 is about 3889.7960100756. The cubic root of 15130513 is about 247.3344156531.

Adding to 15130513 its reverse (31503151), we get a palindrome (46633664).

The spelling of 15130513 in words is "fifteen million, one hundred thirty thousand, five hundred thirteen".