51222383 has 2 divisors, whose sum is σ = 51222384. Its totient is φ = 51222382.

The previous prime is 51222361. The next prime is 51222389. The reversal of 51222383 is 38322215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51222383 - 2¹² = 51218287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51222389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25611191 + 25611192.

It is an arithmetic number, because the mean of its divisors is an integer number (25611192).

Almost surely, 2^51222383 is an apocalyptic number.

51222383 is a deficient number, since it is larger than the sum of its proper divisors (1).

51222383 is an equidigital number, since it uses as much as digits as its factorization.

51222383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 26.

The square root of 51222383 is about 7156.9814167706. The cubic root of 51222383 is about 371.3812095781.

Adding to 51222383 its reverse (38322215), we get a palindrome (89544598).

The spelling of 51222383 in words is "fifty-one million, two hundred twenty-two thousand, three hundred eighty-three".