65515283 has 2 divisors, whose sum is σ = 65515284. Its totient is φ = 65515282.

The previous prime is 65515277. The next prime is 65515291. The reversal of 65515283 is 38251556.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65515283 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (65515223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32757641 + 32757642.

It is an arithmetic number, because the mean of its divisors is an integer number (32757642).

Almost surely, 2^65515283 is an apocalyptic number.

65515283 is a deficient number, since it is larger than the sum of its proper divisors (1).

65515283 is an equidigital number, since it uses as much as digits as its factorization.

65515283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36000, while the sum is 35.

The square root of 65515283 is about 8094.1511599426. The cubic root of 65515283 is about 403.1322481160.

The spelling of 65515283 in words is "sixty-five million, five hundred fifteen thousand, two hundred eighty-three".