51283413 has 12 divisors (see below), whose sum is σ = 77975040. Its totient is φ = 32389416.

The previous prime is 51283411. The next prime is 51283417. The reversal of 51283413 is 31438215.

It is a happy number.

51283413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51283413 - 2¹ = 51283411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51283411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149781 + ... + 150122.

It is an arithmetic number, because the mean of its divisors is an integer number (6497920).

Almost surely, 2^51283413 is an apocalyptic number.

It is an amenable number.

51283413 is a deficient number, since it is larger than the sum of its proper divisors (26691627).

51283413 is a wasteful number, since it uses less digits than its factorization.

51283413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299928 (or 299925 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 51283413 is about 7161.2438165447. The cubic root of 51283413 is about 371.5286477235.

The spelling of 51283413 in words is "fifty-one million, two hundred eighty-three thousand, four hundred thirteen".