52051261 has 2 divisors, whose sum is σ = 52051262. Its totient is φ = 52051260.

The previous prime is 52051249. The next prime is 52051291. The reversal of 52051261 is 16215025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43164900 + 8886361 = 6570^2 + 2981^2 .

It is a cyclic number.

It is not a de Polignac number, because 52051261 - 2⁷ = 52051133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52051211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26025630 + 26025631.

It is an arithmetic number, because the mean of its divisors is an integer number (26025631).

Almost surely, 2^52051261 is an apocalyptic number.

It is an amenable number.

52051261 is a deficient number, since it is larger than the sum of its proper divisors (1).

52051261 is an equidigital number, since it uses as much as digits as its factorization.

52051261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 52051261 is about 7214.6559862546. The cubic root of 52051261 is about 373.3737242829.

Adding to 52051261 its reverse (16215025), we get a palindrome (68266286).

The spelling of 52051261 in words is "fifty-two million, fifty-one thousand, two hundred sixty-one".