65974201 has 2 divisors, whose sum is σ = 65974202. Its totient is φ = 65974200.

The previous prime is 65974193. The next prime is 65974267. The reversal of 65974201 is 10247956.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62647225 + 3326976 = 7915^2 + 1824^2 .

It is a cyclic number.

It is not a de Polignac number, because 65974201 - 2³ = 65974193 is a prime.

It is not a weakly prime, because it can be changed into another prime (65974291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32987100 + 32987101.

It is an arithmetic number, because the mean of its divisors is an integer number (32987101).

Almost surely, 2^65974201 is an apocalyptic number.

It is an amenable number.

65974201 is a deficient number, since it is larger than the sum of its proper divisors (1).

65974201 is an equidigital number, since it uses as much as digits as its factorization.

65974201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 65974201 is about 8122.4504307506. The cubic root of 65974201 is about 404.0713386586.

The spelling of 65974201 in words is "sixty-five million, nine hundred seventy-four thousand, two hundred one".