65610313 has 2 divisors, whose sum is σ = 65610314. Its totient is φ = 65610312.

The previous prime is 65610289. The next prime is 65610317. The reversal of 65610313 is 31301656.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43454464 + 22155849 = 6592^2 + 4707^2 .

It is a cyclic number.

It is not a de Polignac number, because 65610313 - 2⁹ = 65609801 is a prime.

It is not a weakly prime, because it can be changed into another prime (65610317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32805156 + 32805157.

It is an arithmetic number, because the mean of its divisors is an integer number (32805157).

Almost surely, 2^65610313 is an apocalyptic number.

It is an amenable number.

65610313 is a deficient number, since it is larger than the sum of its proper divisors (1).

65610313 is an equidigital number, since it uses as much as digits as its factorization.

65610313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 65610313 is about 8100.0193209646. The cubic root of 65610313 is about 403.3270685607.

Adding to 65610313 its reverse (31301656), we get a palindrome (96911969).

The spelling of 65610313 in words is "sixty-five million, six hundred ten thousand, three hundred thirteen".