604651 has 2 divisors, whose sum is σ = 604652. Its totient is φ = 604650.

The previous prime is 604649. The next prime is 604661. The reversal of 604651 is 156406.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 604651 - 2¹ = 604649 is a prime.

Together with 604649, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (604661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302325 + 302326.

It is an arithmetic number, because the mean of its divisors is an integer number (302326).

2⁶⁰⁴⁶⁵¹ is an apocalyptic number.

604651 is a deficient number, since it is larger than the sum of its proper divisors (1).

604651 is an equidigital number, since it uses as much as digits as its factorization.

604651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 604651 is about 777.5930812449. The cubic root of 604651 is about 84.5606394557.

The spelling of 604651 in words is "six hundred four thousand, six hundred fifty-one".