51607201 has 4 divisors (see below), whose sum is σ = 52139332. Its totient is φ = 51075072.

The previous prime is 51607187. The next prime is 51607207. The reversal of 51607201 is 10270615.

51607201 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 20793600 + 30813601 = 4560^2 + 5551^2 .

It is a cyclic number.

It is not a de Polignac number, because 51607201 - 2¹¹ = 51605153 is a prime.

It is a super-3 number, since 3×51607201³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51607207) 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, 265920 + ... + 266113.

It is an arithmetic number, because the mean of its divisors is an integer number (13034833).

Almost surely, 2^51607201 is an apocalyptic number.

It is an amenable number.

51607201 is a deficient number, since it is larger than the sum of its proper divisors (532131).

51607201 is an equidigital number, since it uses as much as digits as its factorization.

51607201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532130.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 51607201 is about 7183.8152119887. The cubic root of 51607201 is about 372.3089145004.

Adding to 51607201 its reverse (10270615), we get a palindrome (61877816).

The spelling of 51607201 in words is "fifty-one million, six hundred seven thousand, two hundred one".