52630561 has 2 divisors, whose sum is σ = 52630562. Its totient is φ = 52630560.

The previous prime is 52630547. The next prime is 52630573. The reversal of 52630561 is 16503625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47541025 + 5089536 = 6895^2 + 2256^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52630561 is a prime.

It is not a weakly prime, because it can be changed into another prime (52630261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26315280 + 26315281.

It is an arithmetic number, because the mean of its divisors is an integer number (26315281).

Almost surely, 2^52630561 is an apocalyptic number.

It is an amenable number.

52630561 is a deficient number, since it is larger than the sum of its proper divisors (1).

52630561 is an equidigital number, since it uses as much as digits as its factorization.

52630561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 52630561 is about 7254.6923435801. The cubic root of 52630561 is about 374.7537607157.

The spelling of 52630561 in words is "fifty-two million, six hundred thirty thousand, five hundred sixty-one".