51360853 has 2 divisors, whose sum is σ = 51360854. Its totient is φ = 51360852.

The previous prime is 51360839. The next prime is 51360871. The reversal of 51360853 is 35806315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25979409 + 25381444 = 5097^2 + 5038^2 .

It is a cyclic number.

It is not a de Polignac number, because 51360853 - 2²⁵ = 17806421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51360833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25680426 + 25680427.

It is an arithmetic number, because the mean of its divisors is an integer number (25680427).

Almost surely, 2^51360853 is an apocalyptic number.

It is an amenable number.

51360853 is a deficient number, since it is larger than the sum of its proper divisors (1).

51360853 is an equidigital number, since it uses as much as digits as its factorization.

51360853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 51360853 is about 7166.6486588921. The cubic root of 51360853 is about 371.7155613671.

The spelling of 51360853 in words is "fifty-one million, three hundred sixty thousand, eight hundred fifty-three".