604453261 has 2 divisors, whose sum is σ = 604453262. Its totient is φ = 604453260.

The previous prime is 604453237. The next prime is 604453273. The reversal of 604453261 is 162354406.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 551075625 + 53377636 = 23475^2 + 7306^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-604453261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (604453211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302226630 + 302226631.

It is an arithmetic number, because the mean of its divisors is an integer number (302226631).

Almost surely, 2^604453261 is an apocalyptic number.

It is an amenable number.

604453261 is a deficient number, since it is larger than the sum of its proper divisors (1).

604453261 is an equidigital number, since it uses as much as digits as its factorization.

604453261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 604453261 is about 24585.6311897824. The cubic root of 604453261 is about 845.5142049615.

The spelling of 604453261 in words is "six hundred four million, four hundred fifty-three thousand, two hundred sixty-one".