51277433 has 2 divisors, whose sum is σ = 51277434. Its totient is φ = 51277432.

The previous prime is 51277427. The next prime is 51277459. The reversal of 51277433 is 33477215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32684089 + 18593344 = 5717^2 + 4312^2 .

It is a cyclic number.

It is not a de Polignac number, because 51277433 - 2¹⁰ = 51276409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51277433.

It is not a weakly prime, because it can be changed into another prime (51277403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25638716 + 25638717.

It is an arithmetic number, because the mean of its divisors is an integer number (25638717).

Almost surely, 2^51277433 is an apocalyptic number.

It is an amenable number.

51277433 is a deficient number, since it is larger than the sum of its proper divisors (1).

51277433 is an equidigital number, since it uses as much as digits as its factorization.

51277433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 32.

The square root of 51277433 is about 7160.8262791385. The cubic root of 51277433 is about 371.5142062270.

The spelling of 51277433 in words is "fifty-one million, two hundred seventy-seven thousand, four hundred thirty-three".