65105001 has 24 divisors (see below), whose sum is σ = 106608320. Its totient is φ = 37954656.

The previous prime is 65104997. The next prime is 65105023. The reversal of 65105001 is 10050156.

It is not a de Polignac number, because 65105001 - 2² = 65104997 is a prime.

It is a super-2 number, since 2×65105001² = 8477322310420002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65105101) 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, 12421 + ... + 16866.

Almost surely, 2^65105001 is an apocalyptic number.

It is an amenable number.

65105001 is a deficient number, since it is larger than the sum of its proper divisors (41503319).

65105001 is a wasteful number, since it uses less digits than its factorization.

65105001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29325 (or 29322 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 65105001 is about 8068.7670061788. The cubic root of 65105001 is about 402.2889620636.

Adding to 65105001 its reverse (10050156), we get a palindrome (75155157).

It can be divided in two parts, 6510 and 5001, that added together give a palindrome (11511).

The spelling of 65105001 in words is "sixty-five million, one hundred five thousand, one".