51005041 has 4 divisors (see below), whose sum is σ = 51074800. Its totient is φ = 50935284.

The previous prime is 51005039. The next prime is 51005057. The reversal of 51005041 is 14050015.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51005041 - 2¹ = 51005039 is a prime.

It is a super-3 number, since 3×51005041³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51005021) 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 3 ways as a sum of consecutive naturals, for example, 33771 + ... + 35248.

It is an arithmetic number, because the mean of its divisors is an integer number (12768700).

Almost surely, 2^51005041 is an apocalyptic number.

It is an amenable number.

51005041 is a deficient number, since it is larger than the sum of its proper divisors (69759).

51005041 is an equidigital number, since it uses as much as digits as its factorization.

51005041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69758.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 51005041 is about 7141.7813604170. The cubic root of 51005041 is about 370.8551949518.

Adding to 51005041 its reverse (14050015), we get a palindrome (65055056).

It can be divided in two parts, 5 and 1005041, that multiplied together give a palindrome (5025205).

The spelling of 51005041 in words is "fifty-one million, five thousand, forty-one".