654665201 has 4 divisors (see below), whose sum is σ = 654720000. Its totient is φ = 654610404.

The previous prime is 654665191. The next prime is 654665267. The reversal of 654665201 is 102566456.

654665201 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-654665201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654665101) 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, 1001 + ... + 36198.

It is an arithmetic number, because the mean of its divisors is an integer number (163680000).

Almost surely, 2^654665201 is an apocalyptic number.

It is an amenable number.

654665201 is a deficient number, since it is larger than the sum of its proper divisors (54799).

654665201 is a wasteful number, since it uses less digits than its factorization.

654665201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54798.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 654665201 is about 25586.4261083880. The cubic root of 654665201 is about 868.3065667491.

The spelling of 654665201 in words is "six hundred fifty-four million, six hundred sixty-five thousand, two hundred one".