51233413 has 8 divisors (see below), whose sum is σ = 63875520. Its totient is φ = 39922080.

The previous prime is 51233407. The next prime is 51233423. The reversal of 51233413 is 31433215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51233413 - 2²⁵ = 17678981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51233423) 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 7 ways as a sum of consecutive naturals, for example, 332608 + ... + 332761.

It is an arithmetic number, because the mean of its divisors is an integer number (7984440).

Almost surely, 2^51233413 is an apocalyptic number.

It is an amenable number.

51233413 is a deficient number, since it is larger than the sum of its proper divisors (12642107).

51233413 is a wasteful number, since it uses less digits than its factorization.

51233413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665387.

The product of its digits is 1080, while the sum is 22.

The square root of 51233413 is about 7157.7519515557. The cubic root of 51233413 is about 371.4078648572.

Adding to 51233413 its reverse (31433215), we get a palindrome (82666628).

The spelling of 51233413 in words is "fifty-one million, two hundred thirty-three thousand, four hundred thirteen".