65030513 has 2 divisors, whose sum is σ = 65030514. Its totient is φ = 65030512.

The previous prime is 65030507. The next prime is 65030531. The reversal of 65030513 is 31503056.

Together with next prime (65030531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48121969 + 16908544 = 6937^2 + 4112^2 .

It is a cyclic number.

It is not a de Polignac number, because 65030513 - 2²⁰ = 63981937 is a prime.

It is not a weakly prime, because it can be changed into another prime (65030503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32515256 + 32515257.

It is an arithmetic number, because the mean of its divisors is an integer number (32515257).

Almost surely, 2^65030513 is an apocalyptic number.

It is an amenable number.

65030513 is a deficient number, since it is larger than the sum of its proper divisors (1).

65030513 is an equidigital number, since it uses as much as digits as its factorization.

65030513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 65030513 is about 8064.1498621987. The cubic root of 65030513 is about 402.1354810962.

Adding to 65030513 its reverse (31503056), we get a palindrome (96533569).

The spelling of 65030513 in words is "sixty-five million, thirty thousand, five hundred thirteen".