51484837 has 2 divisors, whose sum is σ = 51484838. Its totient is φ = 51484836.

The previous prime is 51484819. The next prime is 51484861. The reversal of 51484837 is 73848415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43639236 + 7845601 = 6606^2 + 2801^2 .

It is a cyclic number.

It is not a de Polignac number, because 51484837 - 2⁷ = 51484709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51484837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51484897) 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, 25742418 + 25742419.

It is an arithmetic number, because the mean of its divisors is an integer number (25742419).

Almost surely, 2^51484837 is an apocalyptic number.

It is an amenable number.

51484837 is a deficient number, since it is larger than the sum of its proper divisors (1).

51484837 is an equidigital number, since it uses as much as digits as its factorization.

51484837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 40.

The square root of 51484837 is about 7175.2935131603. The cubic root of 51484837 is about 372.0144254821.

The spelling of 51484837 in words is "fifty-one million, four hundred eighty-four thousand, eight hundred thirty-seven".