51004131 has 8 divisors (see below), whose sum is σ = 72005904. Its totient is φ = 32002560.

The previous prime is 51004103. The next prime is 51004153. The reversal of 51004131 is 13140015.

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

It is not a de Polignac number, because 51004131 - 2⁵ = 51004099 is a prime.

It is a super-2 number, since 2×51004131² = 5202842758130322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51004131.

It is not an unprimeable number, because it can be changed into a prime (51004181) 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, 499990 + ... + 500091.

It is an arithmetic number, because the mean of its divisors is an integer number (9000738).

Almost surely, 2^51004131 is an apocalyptic number.

51004131 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

51004131 is a deficient number, since it is larger than the sum of its proper divisors (21001773).

51004131 is a wasteful number, since it uses less digits than its factorization.

51004131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000101.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 51004131 is about 7141.7176505376. The cubic root of 51004131 is about 370.8529894167.

Adding to 51004131 its reverse (13140015), we get a palindrome (64144146).

It can be divided in two parts, 5100 and 4131, that multiplied together give a square (21068100 = 4590²).

The spelling of 51004131 in words is "fifty-one million, four thousand, one hundred thirty-one".