51302674 has 4 divisors (see below), whose sum is σ = 76954014. Its totient is φ = 25651336.

The previous prime is 51302663. The next prime is 51302677. The reversal of 51302674 is 47620315.

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., 32319225 + 18983449 = 5685^2 + 4357^2 .

It is not an unprimeable number, because it can be changed into a prime (51302677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12825667 + ... + 12825670.

Almost surely, 2^51302674 is an apocalyptic number.

51302674 is a deficient number, since it is larger than the sum of its proper divisors (25651340).

51302674 is a wasteful number, since it uses less digits than its factorization.

51302674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25651339.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 51302674 is about 7162.5884985807. The cubic root of 51302674 is about 371.5751547528.

Adding to 51302674 its reverse (47620315), we get a palindrome (98922989).

The spelling of 51302674 in words is "fifty-one million, three hundred two thousand, six hundred seventy-four".