51011683 has 2 divisors, whose sum is σ = 51011684. Its totient is φ = 51011682.

The previous prime is 51011671. The next prime is 51011687. The reversal of 51011683 is 38611015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51011683 - 2¹⁷ = 50880611 is a prime.

It is not a weakly prime, because it can be changed into another prime (51011687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25505841 + 25505842.

It is an arithmetic number, because the mean of its divisors is an integer number (25505842).

Almost surely, 2^51011683 is an apocalyptic number.

51011683 is a deficient number, since it is larger than the sum of its proper divisors (1).

51011683 is an equidigital number, since it uses as much as digits as its factorization.

51011683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 51011683 is about 7142.2463553143. The cubic root of 51011683 is about 370.8712921404.

Adding to 51011683 its reverse (38611015), we get a palindrome (89622698).

The spelling of 51011683 in words is "fifty-one million, eleven thousand, six hundred eighty-three".