51294241 has 2 divisors, whose sum is σ = 51294242. Its totient is φ = 51294240.

The previous prime is 51294233. The next prime is 51294263. The reversal of 51294241 is 14249215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47665216 + 3629025 = 6904^2 + 1905^2 .

It is a cyclic number.

It is not a de Polignac number, because 51294241 - 2³ = 51294233 is a prime.

It is not a weakly prime, because it can be changed into another prime (51294211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25647120 + 25647121.

It is an arithmetic number, because the mean of its divisors is an integer number (25647121).

Almost surely, 2^51294241 is an apocalyptic number.

It is an amenable number.

51294241 is a deficient number, since it is larger than the sum of its proper divisors (1).

51294241 is an equidigital number, since it uses as much as digits as its factorization.

51294241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 28.

The square root of 51294241 is about 7161.9997905613. Note that the first 3 decimals coincide. The cubic root of 51294241 is about 371.5547941183.

The spelling of 51294241 in words is "fifty-one million, two hundred ninety-four thousand, two hundred forty-one".