51234403 has 8 divisors (see below), whose sum is σ = 56203056. Its totient is φ = 46317600.

The previous prime is 51234389. The next prime is 51234433. The reversal of 51234403 is 30443215.

51234403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 51234403 - 2⁹ = 51233891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51234433) 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 7 ways as a sum of consecutive naturals, for example, 10876 + ... + 14857.

It is an arithmetic number, because the mean of its divisors is an integer number (7025382).

Almost surely, 2^51234403 is an apocalyptic number.

51234403 is a deficient number, since it is larger than the sum of its proper divisors (4968653).

51234403 is a wasteful number, since it uses less digits than its factorization.

51234403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25925.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 51234403 is about 7157.8211070129. The cubic root of 51234403 is about 371.4102571204.

Adding to 51234403 its reverse (30443215), we get a palindrome (81677618).

The spelling of 51234403 in words is "fifty-one million, two hundred thirty-four thousand, four hundred three".