604532561 has 2 divisors, whose sum is σ = 604532562. Its totient is φ = 604532560.

The previous prime is 604532527. The next prime is 604532567. The reversal of 604532561 is 165235406.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 541027600 + 63504961 = 23260^2 + 7969^2 .

It is a cyclic number.

It is not a de Polignac number, because 604532561 - 2⁶ = 604532497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (604532567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302266280 + 302266281.

It is an arithmetic number, because the mean of its divisors is an integer number (302266281).

Almost surely, 2^604532561 is an apocalyptic number.

It is an amenable number.

604532561 is a deficient number, since it is larger than the sum of its proper divisors (1).

604532561 is an equidigital number, since it uses as much as digits as its factorization.

604532561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 604532561 is about 24587.2438675017. The cubic root of 604532561 is about 845.5511785093.

Adding to 604532561 its reverse (165235406), we get a palindrome (769767967).

The spelling of 604532561 in words is "six hundred four million, five hundred thirty-two thousand, five hundred sixty-one".