51313003 has 8 divisors (see below), whose sum is σ = 58705920. Its totient is φ = 43935720.

The previous prime is 51313001. The next prime is 51313013. The reversal of 51313003 is 30031315.

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 51313003 - 2¹ = 51313001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51313001) 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, 4278 + ... + 10996.

It is an arithmetic number, because the mean of its divisors is an integer number (7338240).

Almost surely, 2^51313003 is an apocalyptic number.

51313003 is a deficient number, since it is larger than the sum of its proper divisors (7392917).

51313003 is a wasteful number, since it uses less digits than its factorization.

51313003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7817.

The product of its (nonzero) digits is 135, while the sum is 16.

The square root of 51313003 is about 7163.3095005032. The cubic root of 51313003 is about 371.6000900498.

Adding to 51313003 its reverse (30031315), we get a palindrome (81344318).

The spelling of 51313003 in words is "fifty-one million, three hundred thirteen thousand, three".