65682001 has 24 divisors (see below), whose sum is σ = 83869344. Its totient is φ = 50863680.

The previous prime is 65681977. The next prime is 65682007. The reversal of 65682001 is 10028656.

It is a de Polignac number, because none of the positive numbers 2^k-65682001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65682007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125326 + ... + 125848.

It is an arithmetic number, because the mean of its divisors is an integer number (3494556).

Almost surely, 2^65682001 is an apocalyptic number.

65682001 is the 5126-th heptagonal number.

It is an amenable number.

65682001 is a deficient number, since it is larger than the sum of its proper divisors (18187343).

65682001 is a wasteful number, since it uses less digits than its factorization.

65682001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781 (or 774 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 65682001 is about 8104.4432874813. The cubic root of 65682001 is about 403.4739112610.

The spelling of 65682001 in words is "sixty-five million, six hundred eighty-two thousand, one".