51825853 has 2 divisors, whose sum is σ = 51825854. Its totient is φ = 51825852.

The previous prime is 51825841. The next prime is 51825883. The reversal of 51825853 is 35852815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50665924 + 1159929 = 7118^2 + 1077^2 .

It is a cyclic number.

It is not a de Polignac number, because 51825853 - 2⁵ = 51825821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51825803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25912926 + 25912927.

It is an arithmetic number, because the mean of its divisors is an integer number (25912927).

Almost surely, 2^51825853 is an apocalyptic number.

It is an amenable number.

51825853 is a deficient number, since it is larger than the sum of its proper divisors (1).

51825853 is an equidigital number, since it uses as much as digits as its factorization.

51825853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48000, while the sum is 37.

The square root of 51825853 is about 7199.0175024096. The cubic root of 51825853 is about 372.8339794046.

The spelling of 51825853 in words is "fifty-one million, eight hundred twenty-five thousand, eight hundred fifty-three".