65286401 has 2 divisors, whose sum is σ = 65286402. Its totient is φ = 65286400.

The previous prime is 65286379. The next prime is 65286421. The reversal of 65286401 is 10468256.

It is a Cunningham number, because it is equal to 8080²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65286400 + 1 = 8080^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 65286401 - 2¹⁸ = 65024257 is a prime.

It is not a weakly prime, because it can be changed into another prime (65286421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32643200 + 32643201.

It is an arithmetic number, because the mean of its divisors is an integer number (32643201).

Almost surely, 2^65286401 is an apocalyptic number.

It is an amenable number.

65286401 is a deficient number, since it is larger than the sum of its proper divisors (1).

65286401 is an equidigital number, since it uses as much as digits as its factorization.

65286401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 65286401 is about 8080.0000618812. Note that the first 4 decimals coincide. The cubic root of 65286401 is about 402.6622439167.

The spelling of 65286401 in words is "sixty-five million, two hundred eighty-six thousand, four hundred one".