51614243 has 2 divisors, whose sum is σ = 51614244. Its totient is φ = 51614242.

The previous prime is 51614239. The next prime is 51614263. The reversal of 51614243 is 34241615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51614243 - 2² = 51614239 is a prime.

It is not a weakly prime, because it can be changed into another prime (51614263) 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, 25807121 + 25807122.

It is an arithmetic number, because the mean of its divisors is an integer number (25807122).

Almost surely, 2^51614243 is an apocalyptic number.

51614243 is a deficient number, since it is larger than the sum of its proper divisors (1).

51614243 is an equidigital number, since it uses as much as digits as its factorization.

51614243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 51614243 is about 7184.3053248035. The cubic root of 51614243 is about 372.3258480555.

Adding to 51614243 its reverse (34241615), we get a palindrome (85855858).

The spelling of 51614243 in words is "fifty-one million, six hundred fourteen thousand, two hundred forty-three".