51363241 has 2 divisors, whose sum is σ = 51363242. Its totient is φ = 51363240.

The previous prime is 51363233. The next prime is 51363253. The reversal of 51363241 is 14236315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50353216 + 1010025 = 7096^2 + 1005^2 .

It is a cyclic number.

It is not a de Polignac number, because 51363241 - 2³ = 51363233 is a prime.

It is not a weakly prime, because it can be changed into another prime (51363211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25681620 + 25681621.

It is an arithmetic number, because the mean of its divisors is an integer number (25681621).

Almost surely, 2^51363241 is an apocalyptic number.

It is an amenable number.

51363241 is a deficient number, since it is larger than the sum of its proper divisors (1).

51363241 is an equidigital number, since it uses as much as digits as its factorization.

51363241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 51363241 is about 7166.8152620254. The cubic root of 51363241 is about 371.7213221943.

Adding to 51363241 its reverse (14236315), we get a palindrome (65599556).

The spelling of 51363241 in words is "fifty-one million, three hundred sixty-three thousand, two hundred forty-one".