51159319 has 2 divisors, whose sum is σ = 51159320. Its totient is φ = 51159318.

The previous prime is 51159233. The next prime is 51159323. The reversal of 51159319 is 91395115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51159319 - 2¹³ = 51151127 is a prime.

It is a super-2 number, since 2×51159319² = 5234551841087522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51109319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25579659 + 25579660.

It is an arithmetic number, because the mean of its divisors is an integer number (25579660).

Almost surely, 2^51159319 is an apocalyptic number.

51159319 is a deficient number, since it is larger than the sum of its proper divisors (1).

51159319 is an equidigital number, since it uses as much as digits as its factorization.

51159319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6075, while the sum is 34.

The square root of 51159319 is about 7152.5742918197. The cubic root of 51159319 is about 371.2287345496.

The spelling of 51159319 in words is "fifty-one million, one hundred fifty-nine thousand, three hundred nineteen".