51241201 has 6 divisors (see below), whose sum is σ = 56323106. Its totient is φ = 46582800.

The previous prime is 51241199. The next prime is 51241207. The reversal of 51241201 is 10214215.

51241201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 28344976 + 22896225 = 5324^2 + 4785^2 .

It is not a de Polignac number, because 51241201 - 2¹ = 51241199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51241207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 211620 + ... + 211861.

Almost surely, 2^51241201 is an apocalyptic number.

It is an amenable number.

51241201 is a deficient number, since it is larger than the sum of its proper divisors (5081905).

51241201 is a wasteful number, since it uses less digits than its factorization.

51241201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423503 (or 423492 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 51241201 is about 7158.2959564410. The cubic root of 51241201 is about 371.4266831617.

Adding to 51241201 its reverse (10214215), we get a palindrome (61455416).

The spelling of 51241201 in words is "fifty-one million, two hundred forty-one thousand, two hundred one".