65497101 has 4 divisors (see below), whose sum is σ = 87329472. Its totient is φ = 43664732.

The previous prime is 65497099. The next prime is 65497111. The reversal of 65497101 is 10179456.

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 65497101 - 2¹ = 65497099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65497111) 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, 10916181 + ... + 10916186.

It is an arithmetic number, because the mean of its divisors is an integer number (21832368).

Almost surely, 2^65497101 is an apocalyptic number.

It is an amenable number.

65497101 is a deficient number, since it is larger than the sum of its proper divisors (21832371).

65497101 is a wasteful number, since it uses less digits than its factorization.

65497101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21832370.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 65497101 is about 8093.0279253194. The cubic root of 65497101 is about 403.0949518376.

The spelling of 65497101 in words is "sixty-five million, four hundred ninety-seven thousand, one hundred one".