604203091 has 2 divisors, whose sum is σ = 604203092. Its totient is φ = 604203090.

The previous prime is 604203073. The next prime is 604203121. The reversal of 604203091 is 190302406.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 604203091 - 2⁹ = 604202579 is a prime.

It is a super-2 number, since 2×604203091² = 730122750347908562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (604203071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302101545 + 302101546.

It is an arithmetic number, because the mean of its divisors is an integer number (302101546).

Almost surely, 2^604203091 is an apocalyptic number.

604203091 is a deficient number, since it is larger than the sum of its proper divisors (1).

604203091 is an equidigital number, since it uses as much as digits as its factorization.

604203091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 604203091 is about 24580.5429354195. The cubic root of 604203091 is about 845.3975422458.

Adding to 604203091 its reverse (190302406), we get a palindrome (794505497).

The spelling of 604203091 in words is "six hundred four million, two hundred three thousand, ninety-one".