51293159 has 2 divisors, whose sum is σ = 51293160. Its totient is φ = 51293158.

The previous prime is 51293149. The next prime is 51293171. The reversal of 51293159 is 95139215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51293159 - 2⁸ = 51292903 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51293119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25646579 + 25646580.

It is an arithmetic number, because the mean of its divisors is an integer number (25646580).

Almost surely, 2^51293159 is an apocalyptic number.

51293159 is a deficient number, since it is larger than the sum of its proper divisors (1).

51293159 is an equidigital number, since it uses as much as digits as its factorization.

51293159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12150, while the sum is 35.

The square root of 51293159 is about 7161.9242526014. The cubic root of 51293159 is about 371.5521815761.

The spelling of 51293159 in words is "fifty-one million, two hundred ninety-three thousand, one hundred fifty-nine".