51294337 has 2 divisors, whose sum is σ = 51294338. Its totient is φ = 51294336.

The previous prime is 51294317. The next prime is 51294361. The reversal of 51294337 is 73349215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47941776 + 3352561 = 6924^2 + 1831^2 .

It is a cyclic number.

It is not a de Polignac number, because 51294337 - 2¹¹ = 51292289 is a prime.

It is a super-2 number, since 2×51294337² = 5262218016539138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51294317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25647168 + 25647169.

It is an arithmetic number, because the mean of its divisors is an integer number (25647169).

Almost surely, 2^51294337 is an apocalyptic number.

It is an amenable number.

51294337 is a deficient number, since it is larger than the sum of its proper divisors (1).

51294337 is an equidigital number, since it uses as much as digits as its factorization.

51294337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 51294337 is about 7162.0064925969. The cubic root of 51294337 is about 371.5550259133. Note that the first 3 decimals are identical.

It can be divided in two parts, 512 and 94337, that added together give a palindrome (94849).

The spelling of 51294337 in words is "fifty-one million, two hundred ninety-four thousand, three hundred thirty-seven".