604656401 has 4 divisors (see below), whose sum is σ = 604706100. Its totient is φ = 604606704.

The previous prime is 604656379. The next prime is 604656413. The reversal of 604656401 is 104656406.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 278890000 + 325766401 = 16700^2 + 18049^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-604656401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (604656421) 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, 7055 + ... + 35483.

It is an arithmetic number, because the mean of its divisors is an integer number (151176525).

Almost surely, 2^604656401 is an apocalyptic number.

It is an amenable number.

604656401 is a deficient number, since it is larger than the sum of its proper divisors (49699).

604656401 is a wasteful number, since it uses less digits than its factorization.

604656401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49698.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 604656401 is about 24589.7621175968. The cubic root of 604656401 is about 845.6089123217.

It can be divided in two parts, 60465 and 6401, that added together give a palindrome (66866).

The spelling of 604656401 in words is "six hundred four million, six hundred fifty-six thousand, four hundred one".