65562001 has 4 divisors (see below), whose sum is σ = 65924404. Its totient is φ = 65199600.

The previous prime is 65561987. The next prime is 65562019. The reversal of 65562001 is 10026556.

65562001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2772225 + 62789776 = 1665^2 + 7924^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65562001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65562061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180930 + ... + 181291.

It is an arithmetic number, because the mean of its divisors is an integer number (16481101).

Almost surely, 2^65562001 is an apocalyptic number.

It is an amenable number.

65562001 is a deficient number, since it is larger than the sum of its proper divisors (362403).

65562001 is a wasteful number, since it uses less digits than its factorization.

65562001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362402.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 65562001 is about 8097.0365566669. The cubic root of 65562001 is about 403.2280479387.

Adding to 65562001 its reverse (10026556), we get a palindrome (75588557).

The spelling of 65562001 in words is "sixty-five million, five hundred sixty-two thousand, one".