65400001 has 8 divisors (see below), whose sum is σ = 66009344. Its totient is φ = 64793520.

The previous prime is 65399989. The next prime is 65400007. The reversal of 65400001 is 10000456.

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 65400001 - 2⁹ = 65399489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65400007) 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, 98611 + ... + 99271.

It is an arithmetic number, because the mean of its divisors is an integer number (8251168).

Almost surely, 2^65400001 is an apocalyptic number.

It is an amenable number.

65400001 is a deficient number, since it is larger than the sum of its proper divisors (609343).

65400001 is a wasteful number, since it uses less digits than its factorization.

65400001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 65400001 is about 8087.0267094897. The cubic root of 65400001 is about 402.8956561068.

Adding to 65400001 its reverse (10000456), we get a palindrome (75400457).

The spelling of 65400001 in words is "sixty-five million, four hundred thousand, one".