51012441 has 6 divisors (see below), whose sum is σ = 73684650. Its totient is φ = 34008288.

The previous prime is 51012439. The next prime is 51012443. The reversal of 51012441 is 14421015.

It is an interprime number because it is at equal distance from previous prime (51012439) and next prime (51012443).

It can be written as a sum of positive squares in only one way, i.e., 36542025 + 14470416 = 6045^2 + 3804^2 .

It is not a de Polignac number, because 51012441 - 2¹ = 51012439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51012443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2834016 + ... + 2834033.

It is an arithmetic number, because the mean of its divisors is an integer number (12280775).

Almost surely, 2^51012441 is an apocalyptic number.

It is an amenable number.

51012441 is a deficient number, since it is larger than the sum of its proper divisors (22672209).

51012441 is a wasteful number, since it uses less digits than its factorization.

51012441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5668055 (or 5668052 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 51012441 is about 7142.2994196547. The cubic root of 51012441 is about 370.8731290990.

Adding to 51012441 its reverse (14421015), we get a palindrome (65433456).

The spelling of 51012441 in words is "fifty-one million, twelve thousand, four hundred forty-one".