51013343 has 8 divisors (see below), whose sum is σ = 52535760. Its totient is φ = 49498560.

The previous prime is 51013301. The next prime is 51013357. The reversal of 51013343 is 34331015.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 51013343 - 2⁸ = 51013087 is a prime.

It is a super-2 number, since 2×51013343² = 5204722328071298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51013393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13448 + ... + 16818.

It is an arithmetic number, because the mean of its divisors is an integer number (6566970).

Almost surely, 2^51013343 is an apocalyptic number.

51013343 is a deficient number, since it is larger than the sum of its proper divisors (1522417).

51013343 is a wasteful number, since it uses less digits than its factorization.

51013343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3817.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 51013343 is about 7142.3625643060. The cubic root of 51013343 is about 370.8753150075.

Adding to 51013343 its reverse (34331015), we get a palindrome (85344358).

The spelling of 51013343 in words is "fifty-one million, thirteen thousand, three hundred forty-three".