65101001 has 4 divisors (see below), whose sum is σ = 74401152. Its totient is φ = 55800852.

The previous prime is 65100991. The next prime is 65101009. The reversal of 65101001 is 10010156.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65101001 - 2¹⁸ = 64838857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65101009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4650065 + ... + 4650078.

It is an arithmetic number, because the mean of its divisors is an integer number (18600288).

Almost surely, 2^65101001 is an apocalyptic number.

It is an amenable number.

65101001 is a deficient number, since it is larger than the sum of its proper divisors (9300151).

65101001 is an equidigital number, since it uses as much as digits as its factorization.

65101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9300150.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 65101001 is about 8068.5191330256. The cubic root of 65101001 is about 402.2807231225.

Adding to 65101001 its reverse (10010156), we get a palindrome (75111157).

The spelling of 65101001 in words is "sixty-five million, one hundred one thousand, one".