52015245434 has 4 divisors (see below), whose sum is σ = 78022868154. Its totient is φ = 26007622716.

The previous prime is 52015245427. The next prime is 52015245439. The reversal of 52015245434 is 43454251025.

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., 42372987409 + 9642258025 = 205847^2 + 98195^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52015245394 and 52015245403.

It is not an unprimeable number, because it can be changed into a prime (52015245439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13003811357 + ... + 13003811360.

Almost surely, 2^52015245434 is an apocalyptic number.

52015245434 is a deficient number, since it is larger than the sum of its proper divisors (26007622720).

52015245434 is a wasteful number, since it uses less digits than its factorization.

52015245434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26007622719.

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 52015245434 its reverse (43454251025), we get a palindrome (95469496459).

The spelling of 52015245434 in words is "fifty-two billion, fifteen million, two hundred forty-five thousand, four hundred thirty-four".