51232201 has 8 divisors (see below), whose sum is σ = 53656704. Its totient is φ = 48824160.

The previous prime is 51232193. The next prime is 51232213. The reversal of 51232201 is 10223215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51232201 - 2³ = 51232193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51232261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2500 + ... + 10426.

It is an arithmetic number, because the mean of its divisors is an integer number (6707088).

Almost surely, 2^51232201 is an apocalyptic number.

It is an amenable number.

51232201 is a deficient number, since it is larger than the sum of its proper divisors (2424503).

51232201 is a wasteful number, since it uses less digits than its factorization.

51232201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8231.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 51232201 is about 7157.6672876015. The cubic root of 51232201 is about 371.4049361052.

Adding to 51232201 its reverse (10223215), we get a palindrome (61455416).

The spelling of 51232201 in words is "fifty-one million, two hundred thirty-two thousand, two hundred one".