51315034 has 4 divisors (see below), whose sum is σ = 76972554. Its totient is φ = 25657516.

The previous prime is 51315031. The next prime is 51315053. The reversal of 51315034 is 43051315.

It is a happy number.

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., 39100009 + 12215025 = 6253^2 + 3495^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51314996 and 51315014.

It is not an unprimeable number, because it can be changed into a prime (51315031) 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, 12828757 + ... + 12828760.

Almost surely, 2^51315034 is an apocalyptic number.

51315034 is a deficient number, since it is larger than the sum of its proper divisors (25657520).

51315034 is a wasteful number, since it uses less digits than its factorization.

51315034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25657519.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 51315034 is about 7163.4512631831. The cubic root of 51315034 is about 371.6049927046.

Adding to 51315034 its reverse (43051315), we get a palindrome (94366349).

The spelling of 51315034 in words is "fifty-one million, three hundred fifteen thousand, thirty-four".