65215301 has 2 divisors, whose sum is σ = 65215302. Its totient is φ = 65215300.

The previous prime is 65215259. The next prime is 65215303. The reversal of 65215301 is 10351256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58507201 + 6708100 = 7649^2 + 2590^2 .

It is a cyclic number.

It is not a de Polignac number, because 65215301 - 2¹⁸ = 64953157 is a prime.

Together with 65215303, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65215303) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32607650 + 32607651.

It is an arithmetic number, because the mean of its divisors is an integer number (32607651).

Almost surely, 2^65215301 is an apocalyptic number.

It is an amenable number.

65215301 is a deficient number, since it is larger than the sum of its proper divisors (1).

65215301 is an equidigital number, since it uses as much as digits as its factorization.

65215301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 65215301 is about 8075.5991109019. The cubic root of 65215301 is about 402.5160180347.

Adding to 65215301 its reverse (10351256), we get a palindrome (75566557).

The spelling of 65215301 in words is "sixty-five million, two hundred fifteen thousand, three hundred one".