5200505402 has 4 divisors (see below), whose sum is σ = 7800758106. Its totient is φ = 2600252700.

The previous prime is 5200505389. The next prime is 5200505449. The reversal of 5200505402 is 2045050025.

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., 2815257481 + 2385247921 = 53059^2 + 48839^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300126349 + ... + 1300126352.

Almost surely, 2^5200505402 is an apocalyptic number.

5200505402 is a deficient number, since it is larger than the sum of its proper divisors (2600252704).

5200505402 is a wasteful number, since it uses less digits than its factorization.

5200505402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600252703.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 5200505402 is about 72114.5297564922. The cubic root of 5200505402 is about 1732.5343369374.

Adding to 5200505402 its reverse (2045050025), we get a palindrome (7245555427).

The spelling of 5200505402 in words is "five billion, two hundred million, five hundred five thousand, four hundred two".