5202421434 has 36 divisors (see below), whose sum is σ = 13112227674. Its totient is φ = 1486405872.

The previous prime is 5202421429. The next prime is 5202421439. The reversal of 5202421434 is 4341242025.

5202421434 is a `hidden beast` number, since 5 + 202 + 4 + 21 + 434 = 666.

It is an interprime number because it is at equal distance from previous prime (5202421429) and next prime (5202421439).

It can be written as a sum of positive squares in only one way, i.e., 5118973209 + 83448225 = 71547^2 + 9135^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5202421398 and 5202421407.

It is not an unprimeable number, because it can be changed into a prime (5202421439) 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 in 17 ways as a sum of consecutive naturals, for example, 2948337 + ... + 2950100.

Almost surely, 2^5202421434 is an apocalyptic number.

5202421434 is an abundant number, since it is smaller than the sum of its proper divisors (7909806240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5202421434 is a wasteful number, since it uses less digits than its factorization.

5202421434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5898459 (or 5898449 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 5202421434 is about 72127.8131791059. The cubic root of 5202421434 is about 1732.7470844415.

Adding to 5202421434 its reverse (4341242025), we get a palindrome (9543663459).

The spelling of 5202421434 in words is "five billion, two hundred two million, four hundred twenty-one thousand, four hundred thirty-four".