52800061 has 2 divisors, whose sum is σ = 52800062. Its totient is φ = 52800060.

The previous prime is 52800049. The next prime is 52800089. The reversal of 52800061 is 16000825.

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., 47183161 + 5616900 = 6869^2 + 2370^2 .

It is a cyclic number.

It is not a de Polignac number, because 52800061 - 2⁵ = 52800029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52804061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26400030 + 26400031.

It is an arithmetic number, because the mean of its divisors is an integer number (26400031).

Almost surely, 2^52800061 is an apocalyptic number.

It is an amenable number.

52800061 is a deficient number, since it is larger than the sum of its proper divisors (1).

52800061 is an equidigital number, since it uses as much as digits as its factorization.

52800061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 52800061 is about 7266.3650472571. The cubic root of 52800061 is about 375.1556355461.

Adding to 52800061 its reverse (16000825), we get a palindrome (68800886).

The spelling of 52800061 in words is "fifty-two million, eight hundred thousand, sixty-one".