51231083 has 2 divisors, whose sum is σ = 51231084. Its totient is φ = 51231082.

The previous prime is 51231073. The next prime is 51231101. The reversal of 51231083 is 38013215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51231083 - 2²² = 47036779 is a prime.

It is not a weakly prime, because it can be changed into another prime (51231073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25615541 + 25615542.

It is an arithmetic number, because the mean of its divisors is an integer number (25615542).

Almost surely, 2^51231083 is an apocalyptic number.

51231083 is a deficient number, since it is larger than the sum of its proper divisors (1).

51231083 is an equidigital number, since it uses as much as digits as its factorization.

51231083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 51231083 is about 7157.5891891055. The cubic root of 51231083 is about 371.4022344597.

Adding to 51231083 its reverse (38013215), we get a palindrome (89244298).

The spelling of 51231083 in words is "fifty-one million, two hundred thirty-one thousand, eighty-three".