51012307 has 8 divisors (see below), whose sum is σ = 52480736. Its totient is φ = 49548672.

The previous prime is 51012301. The next prime is 51012389. The reversal of 51012307 is 70321015.

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 51012307 - 2¹¹ = 51010259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51012301) 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, 38683 + ... + 39979.

It is an arithmetic number, because the mean of its divisors is an integer number (6560092).

Almost surely, 2^51012307 is an apocalyptic number.

51012307 is a deficient number, since it is larger than the sum of its proper divisors (1468429).

51012307 is a wasteful number, since it uses less digits than its factorization.

51012307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 51012307 is about 7142.2900389161. The cubic root of 51012307 is about 370.8728043609.

The spelling of 51012307 in words is "fifty-one million, twelve thousand, three hundred seven".