51051005 has 8 divisors (see below), whose sum is σ = 64485600. Its totient is φ = 38691216.

The previous prime is 51051001. The next prime is 51051029. The reversal of 51051005 is 50015015.

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 51051005 - 2² = 51051001 is a prime.

It is a super-2 number, since 2×51051005² = 5212410223020050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51051001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268595 + ... + 268784.

It is an arithmetic number, because the mean of its divisors is an integer number (8060700).

Almost surely, 2^51051005 is an apocalyptic number.

It is an amenable number.

51051005 is a deficient number, since it is larger than the sum of its proper divisors (13434595).

51051005 is a wasteful number, since it uses less digits than its factorization.

51051005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537403.

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 51051005 is about 7144.9986004197. The cubic root of 51051005 is about 370.9665621813.

It can be divided in two parts, 510 and 51005, that added together give a palindrome (51515).

The spelling of 51051005 in words is "fifty-one million, fifty-one thousand, five".