65390101 has 4 divisors (see below), whose sum is σ = 74731552. Its totient is φ = 56048652.

The previous prime is 65390093. The next prime is 65390107. The reversal of 65390101 is 10109356.

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 65390101 - 2³ = 65390093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65390107) 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, 4670715 + ... + 4670728.

It is an arithmetic number, because the mean of its divisors is an integer number (18682888).

Almost surely, 2^65390101 is an apocalyptic number.

It is an amenable number.

65390101 is a deficient number, since it is larger than the sum of its proper divisors (9341451).

65390101 is an equidigital number, since it uses as much as digits as its factorization.

65390101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9341450.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 65390101 is about 8086.4145948622. The cubic root of 65390101 is about 402.8753254839.

Adding to 65390101 its reverse (10109356), we get a palindrome (75499457).

The spelling of 65390101 in words is "sixty-five million, three hundred ninety thousand, one hundred one".