51275003 has 4 divisors (see below), whose sum is σ = 55219248. Its totient is φ = 47330760.

The previous prime is 51274991. The next prime is 51275041. The reversal of 51275003 is 30057215.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51275003 - 2¹⁶ = 51209467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51275003.

It is not an unprimeable number, because it can be changed into a prime (51275083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1972103 + ... + 1972128.

It is an arithmetic number, because the mean of its divisors is an integer number (13804812).

Almost surely, 2^51275003 is an apocalyptic number.

51275003 is a deficient number, since it is larger than the sum of its proper divisors (3944245).

51275003 is a wasteful number, since it uses less digits than its factorization.

51275003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3944244.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 51275003 is about 7160.6566039715. The cubic root of 51275003 is about 371.5083375389.

The spelling of 51275003 in words is "fifty-one million, two hundred seventy-five thousand, three".