52604561 has 2 divisors, whose sum is σ = 52604562. Its totient is φ = 52604560.

The previous prime is 52604549. The next prime is 52604593. The reversal of 52604561 is 16540625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51394561 + 1210000 = 7169^2 + 1100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52604561 is a prime.

It is not a weakly prime, because it can be changed into another prime (52604261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26302280 + 26302281.

It is an arithmetic number, because the mean of its divisors is an integer number (26302281).

Almost surely, 2^52604561 is an apocalyptic number.

It is an amenable number.

52604561 is a deficient number, since it is larger than the sum of its proper divisors (1).

52604561 is an equidigital number, since it uses as much as digits as its factorization.

52604561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 52604561 is about 7252.9001785493. The cubic root of 52604561 is about 374.6920399049.

The spelling of 52604561 in words is "fifty-two million, six hundred four thousand, five hundred sixty-one".