51235201 has 2 divisors, whose sum is σ = 51235202. Its totient is φ = 51235200.

The previous prime is 51235193. The next prime is 51235207. The reversal of 51235201 is 10253215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46908801 + 4326400 = 6849^2 + 2080^2 .

It is a cyclic number.

It is not a de Polignac number, because 51235201 - 2³ = 51235193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51235207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25617600 + 25617601.

It is an arithmetic number, because the mean of its divisors is an integer number (25617601).

Almost surely, 2^51235201 is an apocalyptic number.

It is an amenable number.

51235201 is a deficient number, since it is larger than the sum of its proper divisors (1).

51235201 is an equidigital number, since it uses as much as digits as its factorization.

51235201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 51235201 is about 7157.8768500164. The cubic root of 51235201 is about 371.4121854070.

Adding to 51235201 its reverse (10253215), we get a palindrome (61488416).

The spelling of 51235201 in words is "fifty-one million, two hundred thirty-five thousand, two hundred one".