2551793 has 2 divisors, whose sum is σ = 2551794. Its totient is φ = 2551792.

The previous prime is 2551733. The next prime is 2551817. The reversal of 2551793 is 3971552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2274064 + 277729 = 1508^2 + 527^2 .

It is a cyclic number.

It is not a de Polignac number, because 2551793 - 2⁶ = 2551729 is a prime.

It is not a weakly prime, because it can be changed into another prime (2551723) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275896 + 1275897.

It is an arithmetic number, because the mean of its divisors is an integer number (1275897).

2^2551793 is an apocalyptic number.

It is an amenable number.

2551793 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551793 is an equidigital number, since it uses as much as digits as its factorization.

2551793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9450, while the sum is 32.

The square root of 2551793 is about 1597.4332536917. The cubic root of 2551793 is about 136.6517341078.

It can be divided in two parts, 255 and 1793, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 2551793 in words is "two million, five hundred fifty-one thousand, seven hundred ninety-three".