51003401 has 8 divisors (see below), whose sum is σ = 52747008. Its totient is φ = 49266000.

The previous prime is 51003377. The next prime is 51003419. The reversal of 51003401 is 10430015.

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-51003401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51003301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20231 + ... + 22611.

It is an arithmetic number, because the mean of its divisors is an integer number (6593376).

Almost surely, 2^51003401 is an apocalyptic number.

It is an amenable number.

51003401 is a deficient number, since it is larger than the sum of its proper divisors (1743607).

51003401 is a wasteful number, since it uses less digits than its factorization.

51003401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 51003401 is about 7141.6665422015. Note that the first 3 decimals coincide. The cubic root of 51003401 is about 370.8512201222.

Adding to 51003401 its reverse (10430015), we get a palindrome (61433416).

The spelling of 51003401 in words is "fifty-one million, three thousand, four hundred one".