51060613 has 4 divisors (see below), whose sum is σ = 51100588. Its totient is φ = 51020640.

The previous prime is 51060601. The next prime is 51060617. The reversal of 51060613 is 31606015.

51060613 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 26040609 + 25020004 = 5103^2 + 5002^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51060613 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 (51060617) 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, 18006 + ... + 20647.

It is an arithmetic number, because the mean of its divisors is an integer number (12775147).

Almost surely, 2^51060613 is an apocalyptic number.

It is an amenable number.

51060613 is a deficient number, since it is larger than the sum of its proper divisors (39975).

51060613 is a wasteful number, since it uses less digits than its factorization.

51060613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39974.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 51060613 is about 7145.6709272118. The cubic root of 51060613 is about 370.9898331770.

Adding to 51060613 its reverse (31606015), we get a palindrome (82666628).

The spelling of 51060613 in words is "fifty-one million, sixty thousand, six hundred thirteen".