51004207 has 8 divisors (see below), whose sum is σ = 52807680. Its totient is φ = 49210680.

The previous prime is 51004201. The next prime is 51004211. The reversal of 51004207 is 70240015.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51004207 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 (51004201) 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, 8838 + ... + 13420.

It is an arithmetic number, because the mean of its divisors is an integer number (6600960).

Almost surely, 2^51004207 is an apocalyptic number.

51004207 is a deficient number, since it is larger than the sum of its proper divisors (1803473).

51004207 is a wasteful number, since it uses less digits than its factorization.

51004207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4973.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 51004207 is about 7141.7229713844. The cubic root of 51004207 is about 370.8531736162.

The spelling of 51004207 in words is "fifty-one million, four thousand, two hundred seven".