65396801 has 4 divisors (see below), whose sum is σ = 65414532. Its totient is φ = 65379072.

The previous prime is 65396789. The next prime is 65396861. The reversal of 65396801 is 10869356.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51854401 + 13542400 = 7201^2 + 3680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65396801 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 (65396861) 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, 1016 + ... + 11481.

It is an arithmetic number, because the mean of its divisors is an integer number (16353633).

Almost surely, 2^65396801 is an apocalyptic number.

It is an amenable number.

65396801 is a deficient number, since it is larger than the sum of its proper divisors (17731).

65396801 is a wasteful number, since it uses less digits than its factorization.

65396801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17730.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 65396801 is about 8086.8288593243. The cubic root of 65396801 is about 402.8890848168.

The spelling of 65396801 in words is "sixty-five million, three hundred ninety-six thousand, eight hundred one".