51512412583 has 2 divisors, whose sum is σ = 51512412584. Its totient is φ = 51512412582.

The previous prime is 51512412577. The next prime is 51512412629. The reversal of 51512412583 is 38521421515.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51512412583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51512413583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25756206291 + 25756206292.

It is an arithmetic number, because the mean of its divisors is an integer number (25756206292).

Almost surely, 2^51512412583 is an apocalyptic number.

51512412583 is a deficient number, since it is larger than the sum of its proper divisors (1).

51512412583 is an equidigital number, since it uses as much as digits as its factorization.

51512412583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48000, while the sum is 37.

The spelling of 51512412583 in words is "fifty-one billion, five hundred twelve million, four hundred twelve thousand, five hundred eighty-three".