51210202 has 8 divisors (see below), whose sum is σ = 79293312. Its totient is φ = 24779100.

The previous prime is 51210197. The next prime is 51210209. The reversal of 51210202 is 20201215.

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

It is not an unprimeable number, because it can be changed into a prime (51210209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412924 + ... + 413047.

It is an arithmetic number, because the mean of its divisors is an integer number (9911664).

Almost surely, 2^51210202 is an apocalyptic number.

51210202 is a deficient number, since it is larger than the sum of its proper divisors (28083110).

51210202 is a wasteful number, since it uses less digits than its factorization.

51210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826004.

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

The square root of 51210202 is about 7156.1303789129. The cubic root of 51210202 is about 371.3517683268.

Adding to 51210202 its reverse (20201215), we get a palindrome (71411417).

The spelling of 51210202 in words is "fifty-one million, two hundred ten thousand, two hundred two".