51484819 has 2 divisors, whose sum is σ = 51484820. Its totient is φ = 51484818.

The previous prime is 51484801. The next prime is 51484837. The reversal of 51484819 is 91848415.

It is a balanced prime because it is at equal distance from previous prime (51484801) and next prime (51484837).

It is a cyclic number.

It is not a de Polignac number, because 51484819 - 2¹³ = 51476627 is a prime.

It is a super-2 number, since 2×51484819² = 5301373174925522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51484219) 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, 25742409 + 25742410.

It is an arithmetic number, because the mean of its divisors is an integer number (25742410).

Almost surely, 2^51484819 is an apocalyptic number.

51484819 is a deficient number, since it is larger than the sum of its proper divisors (1).

51484819 is an equidigital number, since it uses as much as digits as its factorization.

51484819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 40.

The square root of 51484819 is about 7175.2922588561. The cubic root of 51484819 is about 372.0143821279.

The spelling of 51484819 in words is "fifty-one million, four hundred eighty-four thousand, eight hundred nineteen".