5042521031 has 4 divisors (see below), whose sum is σ = 5055484200. Its totient is φ = 5029557864.

The previous prime is 5042521013. The next prime is 5042521123. The reversal of 5042521031 is 1301252405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1301252405 = 5 ⋅260250481.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5042521031 is a prime.

It is a super-2 number, since 2×5042521031² = 50854036696154605922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5042520988 and 5042521006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5042527031) 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 3 ways as a sum of consecutive naturals, for example, 6481001 + ... + 6481778.

It is an arithmetic number, because the mean of its divisors is an integer number (1263871050).

Almost surely, 2^5042521031 is an apocalyptic number.

5042521031 is a deficient number, since it is larger than the sum of its proper divisors (12963169).

5042521031 is a wasteful number, since it uses less digits than its factorization.

5042521031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12963168.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 5042521031 is about 71010.7106780379. The cubic root of 5042521031 is about 1714.8095996837.

Adding to 5042521031 its reverse (1301252405), we get a palindrome (6343773436).

The spelling of 5042521031 in words is "five billion, forty-two million, five hundred twenty-one thousand, thirty-one".