5212261042 has 4 divisors (see below), whose sum is σ = 7818391566. Its totient is φ = 2606130520.

The previous prime is 5212261009. The next prime is 5212261057. The reversal of 5212261042 is 2401622125.

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., 3663759841 + 1548501201 = 60529^2 + 39351^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5212260998 and 5212261016.

It is an unprimeable number.

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, 1303065259 + ... + 1303065262.

Almost surely, 2^5212261042 is an apocalyptic number.

5212261042 is a deficient number, since it is larger than the sum of its proper divisors (2606130524).

5212261042 is a wasteful number, since it uses less digits than its factorization.

5212261042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2606130523.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 5212261042 is about 72195.9904842367. The cubic root of 5212261042 is about 1733.8388077650.

Adding to 5212261042 its reverse (2401622125), we get a palindrome (7613883167).

The spelling of 5212261042 in words is "five billion, two hundred twelve million, two hundred sixty-one thousand, forty-two".