51033377 has 2 divisors, whose sum is σ = 51033378. Its totient is φ = 51033376.

The previous prime is 51033361. The next prime is 51033383. The reversal of 51033377 is 77333015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37957921 + 13075456 = 6161^2 + 3616^2 .

It is a cyclic number.

It is not a de Polignac number, because 51033377 - 2⁴ = 51033361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51033317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25516688 + 25516689.

It is an arithmetic number, because the mean of its divisors is an integer number (25516689).

Almost surely, 2^51033377 is an apocalyptic number.

It is an amenable number.

51033377 is a deficient number, since it is larger than the sum of its proper divisors (1).

51033377 is an equidigital number, since it uses as much as digits as its factorization.

51033377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6615, while the sum is 29.

The square root of 51033377 is about 7143.7649037465. The cubic root of 51033377 is about 370.9238588014.

The spelling of 51033377 in words is "fifty-one million, thirty-three thousand, three hundred seventy-seven".