51159323 has 2 divisors, whose sum is σ = 51159324. Its totient is φ = 51159322.

The previous prime is 51159319. The next prime is 51159397. The reversal of 51159323 is 32395115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51159323 - 2² = 51159319 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (51159523) 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, 25579661 + 25579662.

It is an arithmetic number, because the mean of its divisors is an integer number (25579662).

Almost surely, 2^51159323 is an apocalyptic number.

51159323 is a deficient number, since it is larger than the sum of its proper divisors (1).

51159323 is an equidigital number, since it uses as much as digits as its factorization.

51159323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4050, while the sum is 29.

The square root of 51159323 is about 7152.5745714393. The cubic root of 51159323 is about 371.2287442247.

The spelling of 51159323 in words is "fifty-one million, one hundred fifty-nine thousand, three hundred twenty-three".