52020061 has 2 divisors, whose sum is σ = 52020062. Its totient is φ = 52020060.

The previous prime is 52020053. The next prime is 52020079. The reversal of 52020061 is 16002025.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38514436 + 13505625 = 6206^2 + 3675^2 .

It is a cyclic number.

It is not a de Polignac number, because 52020061 - 2³ = 52020053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52020361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26010030 + 26010031.

It is an arithmetic number, because the mean of its divisors is an integer number (26010031).

Almost surely, 2^52020061 is an apocalyptic number.

It is an amenable number.

52020061 is a deficient number, since it is larger than the sum of its proper divisors (1).

52020061 is an equidigital number, since it uses as much as digits as its factorization.

52020061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 52020061 is about 7212.4933968774. The cubic root of 52020061 is about 373.2991081685.

Adding to 52020061 its reverse (16002025), we get a palindrome (68022086).

The spelling of 52020061 in words is "fifty-two million, twenty thousand, sixty-one".