65934401 has 8 divisors (see below), whose sum is σ = 71526504. Its totient is φ = 60416640.

The previous prime is 65934383. The next prime is 65934413. The reversal of 65934401 is 10443956.

It is a Cunningham number, because it is equal to 8120²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 65934400 = 1^2 + 8120^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 65934401 - 2²² = 61740097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65934431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16730 + ... + 20291.

It is an arithmetic number, because the mean of its divisors is an integer number (8940813).

Almost surely, 2^65934401 is an apocalyptic number.

It is an amenable number.

65934401 is a deficient number, since it is larger than the sum of its proper divisors (5592103).

65934401 is a wasteful number, since it uses less digits than its factorization.

65934401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37171.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 65934401 is about 8120.0000615764. Note that the first 4 decimals coincide. The cubic root of 65934401 is about 403.9900681315.

The spelling of 65934401 in words is "sixty-five million, nine hundred thirty-four thousand, four hundred one".