51327541 has 4 divisors (see below), whose sum is σ = 52030732. Its totient is φ = 50624352.

The previous prime is 51327527. The next prime is 51327553. The reversal of 51327541 is 14572315.

It is a happy number.

51327541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39112516 + 12215025 = 6254^2 + 3495^2 .

It is a cyclic number.

It is not a de Polignac number, because 51327541 - 2¹³ = 51319349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51327511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351486 + ... + 351631.

It is an arithmetic number, because the mean of its divisors is an integer number (13007683).

Almost surely, 2^51327541 is an apocalyptic number.

It is an amenable number.

51327541 is a deficient number, since it is larger than the sum of its proper divisors (703191).

51327541 is an equidigital number, since it uses as much as digits as its factorization.

51327541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703190.

The product of its digits is 4200, while the sum is 28.

The square root of 51327541 is about 7164.3241830615. The cubic root of 51327541 is about 371.6351806485.

Adding to 51327541 its reverse (14572315), we get a palindrome (65899856).

The spelling of 51327541 in words is "fifty-one million, three hundred twenty-seven thousand, five hundred forty-one".