51101201 has 4 divisors (see below), whose sum is σ = 54107172. Its totient is φ = 48095232.

The previous prime is 51101179. The next prime is 51101207. The reversal of 51101201 is 10210115.

51101201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 38427601 + 12673600 = 6199^2 + 3560^2 .

It is a cyclic number.

It is not a de Polignac number, because 51101201 - 2²² = 46906897 is a prime.

It is a super-2 number, since 2×51101201² = 5222665487284802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51101207) 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 3 ways as a sum of consecutive naturals, for example, 1502960 + ... + 1502993.

It is an arithmetic number, because the mean of its divisors is an integer number (13526793).

Almost surely, 2^51101201 is an apocalyptic number.

It is an amenable number.

51101201 is a deficient number, since it is larger than the sum of its proper divisors (3005971).

51101201 is a wasteful number, since it uses less digits than its factorization.

51101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005970.

The product of its (nonzero) digits is 10, while the sum is 11.

The square root of 51101201 is about 7148.5104042730. The cubic root of 51101201 is about 371.0881068850.

Adding to 51101201 its reverse (10210115), we get a palindrome (61311316).

The spelling of 51101201 in words is "fifty-one million, one hundred one thousand, two hundred one".