51114493 has 2 divisors, whose sum is σ = 51114494. Its totient is φ = 51114492.

The previous prime is 51114491. The next prime is 51114517. The reversal of 51114493 is 39441115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42341049 + 8773444 = 6507^2 + 2962^2 .

It is a cyclic number.

It is not a de Polignac number, because 51114493 - 2¹ = 51114491 is a prime.

It is a super-2 number, since 2×51114493² = 5225382789294098, which contains 22 as substring.

Together with 51114491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51114491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25557246 + 25557247.

It is an arithmetic number, because the mean of its divisors is an integer number (25557247).

Almost surely, 2^51114493 is an apocalyptic number.

It is an amenable number.

51114493 is a deficient number, since it is larger than the sum of its proper divisors (1).

51114493 is an equidigital number, since it uses as much as digits as its factorization.

51114493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

The square root of 51114493 is about 7149.4400480038. The cubic root of 51114493 is about 371.1202788328.

It can be divided in two parts, 5111 and 4493, that added together give a square (9604 = 98²).

The spelling of 51114493 in words is "fifty-one million, one hundred fourteen thousand, four hundred ninety-three".