51841413 has 12 divisors (see below), whose sum is σ = 80642380. Its totient is φ = 31902336.

The previous prime is 51841373. The next prime is 51841417. The reversal of 51841413 is 31414815.

It is a happy number.

51841413 is a `hidden beast` number, since 518 + 4 + 141 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21734244 + 30107169 = 4662^2 + 5487^2 .

It is not a de Polignac number, because 51841413 - 2¹⁴ = 51825029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51841417) 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 in 11 ways as a sum of consecutive naturals, for example, 221428 + ... + 221661.

Almost surely, 2^51841413 is an apocalyptic number.

It is an amenable number.

51841413 is a deficient number, since it is larger than the sum of its proper divisors (28800967).

51841413 is a wasteful number, since it uses less digits than its factorization.

51841413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443108 (or 443105 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 51841413 is about 7200.0981243314. The cubic root of 51841413 is about 372.8712884302.

The spelling of 51841413 in words is "fifty-one million, eight hundred forty-one thousand, four hundred thirteen".