51026613 has 8 divisors (see below), whose sum is σ = 74220576. Its totient is φ = 30925200.

The previous prime is 51026611. The next prime is 51026617. The reversal of 51026613 is 31662015.

51026613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51026613 - 2¹ = 51026611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51026611) 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 7 ways as a sum of consecutive naturals, for example, 773098 + ... + 773163.

It is an arithmetic number, because the mean of its divisors is an integer number (9277572).

Almost surely, 2^51026613 is an apocalyptic number.

It is an amenable number.

51026613 is a deficient number, since it is larger than the sum of its proper divisors (23193963).

51026613 is a wasteful number, since it uses less digits than its factorization.

51026613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546275.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 51026613 is about 7143.2914682239. The cubic root of 51026613 is about 370.9074705735.

Adding to 51026613 its reverse (31662015), we get a palindrome (82688628).

The spelling of 51026613 in words is "fifty-one million, twenty-six thousand, six hundred thirteen".