51302002 has 4 divisors (see below), whose sum is σ = 76953006. Its totient is φ = 25651000.

The previous prime is 51301997. The next prime is 51302011. The reversal of 51302002 is 20020315.

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

It can be written as a sum of positive squares in only one way, i.e., 43678881 + 7623121 = 6609^2 + 2761^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12825499 + ... + 12825502.

Almost surely, 2^51302002 is an apocalyptic number.

51302002 is a deficient number, since it is larger than the sum of its proper divisors (25651004).

51302002 is a wasteful number, since it uses less digits than its factorization.

51302002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25651003.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 51302002 is about 7162.5415880119. The cubic root of 51302002 is about 371.5735323579.

Adding to 51302002 its reverse (20020315), we get a palindrome (71322317).

The spelling of 51302002 in words is "fifty-one million, three hundred two thousand, two".