51125041 has 16 divisors (see below), whose sum is σ = 57131136. Its totient is φ = 45738000.

The previous prime is 51125027. The next prime is 51125051. The reversal of 51125041 is 14052115.

It is a de Polignac number, because none of the positive numbers 2^k-51125041 is a prime.

It is a super-2 number, since 2×51125041² = 5227539634503362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51125051) 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 15 ways as a sum of consecutive naturals, for example, 94231 + ... + 94771.

It is an arithmetic number, because the mean of its divisors is an integer number (3570696).

Almost surely, 2^51125041 is an apocalyptic number.

It is an amenable number.

51125041 is a deficient number, since it is larger than the sum of its proper divisors (6006095).

51125041 is an equidigital number, since it uses as much as digits as its factorization.

51125041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 51125041 is about 7150.1776900997. The cubic root of 51125041 is about 371.1458052360.

Adding to 51125041 its reverse (14052115), we get a palindrome (65177156).

It can be divided in two parts, 5112 and 5041, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 51125041 in words is "fifty-one million, one hundred twenty-five thousand, forty-one".