51283061 has 2 divisors, whose sum is σ = 51283062. Its totient is φ = 51283060.

The previous prime is 51283051. The next prime is 51283069. The reversal of 51283061 is 16038215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32706961 + 18576100 = 5719^2 + 4310^2 .

It is a cyclic number.

It is not a de Polignac number, because 51283061 - 2⁶ = 51282997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51283061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51283069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25641530 + 25641531.

It is an arithmetic number, because the mean of its divisors is an integer number (25641531).

Almost surely, 2^51283061 is an apocalyptic number.

It is an amenable number.

51283061 is a deficient number, since it is larger than the sum of its proper divisors (1).

51283061 is an equidigital number, since it uses as much as digits as its factorization.

51283061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 51283061 is about 7161.2192397664. The cubic root of 51283061 is about 371.5277976865.

The spelling of 51283061 in words is "fifty-one million, two hundred eighty-three thousand, sixty-one".