51004201 has 2 divisors, whose sum is σ = 51004202. Its totient is φ = 51004200.

The previous prime is 51004181. The next prime is 51004211. The reversal of 51004201 is 10240015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50395801 + 608400 = 7099^2 + 780^2 .

It is a cyclic number.

It is not a de Polignac number, because 51004201 - 2⁵ = 51004169 is a prime.

It is not a weakly prime, because it can be changed into another prime (51004211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25502100 + 25502101.

It is an arithmetic number, because the mean of its divisors is an integer number (25502101).

Almost surely, 2^51004201 is an apocalyptic number.

It is an amenable number.

51004201 is a deficient number, since it is larger than the sum of its proper divisors (1).

51004201 is an equidigital number, since it uses as much as digits as its factorization.

51004201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 51004201 is about 7141.7225513177. The cubic root of 51004201 is about 370.8531590741.

Adding to 51004201 its reverse (10240015), we get a palindrome (61244216).

The spelling of 51004201 in words is "fifty-one million, four thousand, two hundred one".