51262859 has 2 divisors, whose sum is σ = 51262860. Its totient is φ = 51262858.

The previous prime is 51262831. The next prime is 51262877. The reversal of 51262859 is 95826215.

51262859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51262859 is a prime.

It is not a weakly prime, because it can be changed into another prime (51262829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25631429 + 25631430.

It is an arithmetic number, because the mean of its divisors is an integer number (25631430).

Almost surely, 2^51262859 is an apocalyptic number.

51262859 is a deficient number, since it is larger than the sum of its proper divisors (1).

51262859 is an equidigital number, since it uses as much as digits as its factorization.

51262859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 38.

The square root of 51262859 is about 7159.8085868269. The cubic root of 51262859 is about 371.4790058100.

The spelling of 51262859 in words is "fifty-one million, two hundred sixty-two thousand, eight hundred fifty-nine".