604401397 has 2 divisors, whose sum is σ = 604401398. Its totient is φ = 604401396.

The previous prime is 604401293. The next prime is 604401409. The reversal of 604401397 is 793104406.

It is a happy number.

604401397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 593701956 + 10699441 = 24366^2 + 3271^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-604401397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (604401097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302200698 + 302200699.

It is an arithmetic number, because the mean of its divisors is an integer number (302200699).

Almost surely, 2^604401397 is an apocalyptic number.

It is an amenable number.

604401397 is a deficient number, since it is larger than the sum of its proper divisors (1).

604401397 is an equidigital number, since it uses as much as digits as its factorization.

604401397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 604401397 is about 24584.5764047299. The cubic root of 604401397 is about 845.4900216729.

The spelling of 604401397 in words is "six hundred four million, four hundred one thousand, three hundred ninety-seven".