65537801 has 8 divisors (see below), whose sum is σ = 75007104. Its totient is φ = 56095200.

The previous prime is 65537777. The next prime is 65537809. The reversal of 65537801 is 10873556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65537801 - 2¹⁰ = 65536777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65537809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1100 + ... + 11501.

It is an arithmetic number, because the mean of its divisors is an integer number (9375888).

Almost surely, 2^65537801 is an apocalyptic number.

It is an amenable number.

65537801 is a deficient number, since it is larger than the sum of its proper divisors (9469303).

65537801 is a wasteful number, since it uses less digits than its factorization.

65537801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13351.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 65537801 is about 8095.5420448541. The cubic root of 65537801 is about 403.1784291581.

The spelling of 65537801 in words is "sixty-five million, five hundred thirty-seven thousand, eight hundred one".