52635641 has 2 divisors, whose sum is σ = 52635642. Its totient is φ = 52635640.

The previous prime is 52635623. The next prime is 52635647. The reversal of 52635641 is 14653625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39639616 + 12996025 = 6296^2 + 3605^2 .

It is a cyclic number.

It is not a de Polignac number, because 52635641 - 2⁶ = 52635577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52635598 and 52635607.

It is not a weakly prime, because it can be changed into another prime (52635647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26317820 + 26317821.

It is an arithmetic number, because the mean of its divisors is an integer number (26317821).

Almost surely, 2^52635641 is an apocalyptic number.

It is an amenable number.

52635641 is a deficient number, since it is larger than the sum of its proper divisors (1).

52635641 is an equidigital number, since it uses as much as digits as its factorization.

52635641 is an odious number, because the sum of its binary digits is odd.

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

The square root of 52635641 is about 7255.0424533561. The cubic root of 52635641 is about 374.7658176386.

The spelling of 52635641 in words is "fifty-two million, six hundred thirty-five thousand, six hundred forty-one".