65938601 has 2 divisors, whose sum is σ = 65938602. Its totient is φ = 65938600.

The previous prime is 65938591. The next prime is 65938627. The reversal of 65938601 is 10683956.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45697600 + 20241001 = 6760^2 + 4499^2 .

It is a cyclic number.

It is not a de Polignac number, because 65938601 - 2¹⁴ = 65922217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (65938501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32969300 + 32969301.

It is an arithmetic number, because the mean of its divisors is an integer number (32969301).

Almost surely, 2^65938601 is an apocalyptic number.

It is an amenable number.

65938601 is a deficient number, since it is larger than the sum of its proper divisors (1).

65938601 is an equidigital number, since it uses as much as digits as its factorization.

65938601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 65938601 is about 8120.2586781457. The cubic root of 65938601 is about 403.9986459615.

The spelling of 65938601 in words is "sixty-five million, nine hundred thirty-eight thousand, six hundred one".