51201441 has 12 divisors (see below), whose sum is σ = 74174100. Its totient is φ = 34034400.

The previous prime is 51201431. The next prime is 51201499. The reversal of 51201441 is 14410215.

It can be written as a sum of positive squares in 2 ways, for example, as 40449600 + 10751841 = 6360^2 + 3279^2 .

It is not a de Polignac number, because 51201441 - 2⁷ = 51201313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51201431) 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 11 ways as a sum of consecutive naturals, for example, 5010 + ... + 11291.

It is an arithmetic number, because the mean of its divisors is an integer number (6181175).

Almost surely, 2^51201441 is an apocalyptic number.

It is an amenable number.

51201441 is a deficient number, since it is larger than the sum of its proper divisors (22972659).

51201441 is a wasteful number, since it uses less digits than its factorization.

51201441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16656 (or 16653 counting only the distinct ones).

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

The square root of 51201441 is about 7155.5182202270. The cubic root of 51201441 is about 371.3305902655.

Adding to 51201441 its reverse (14410215), we get a palindrome (65611656).

It can be divided in two parts, 5120 and 1441, that added together give a 8-th power (6561 = 3⁸).

The spelling of 51201441 in words is "fifty-one million, two hundred one thousand, four hundred forty-one".