5210072421 has 8 divisors (see below), whose sum is σ = 6993386400. Its totient is φ = 3450070032.

The previous prime is 5210072411. The next prime is 5210072429. The reversal of 5210072421 is 1242700125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5210072421 - 2⁷ = 5210072293 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5210072391 and 5210072400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5210072429) 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 7 ways as a sum of consecutive naturals, for example, 5827375 + ... + 5828268.

It is an arithmetic number, because the mean of its divisors is an integer number (874173300).

Almost surely, 2^5210072421 is an apocalyptic number.

It is an amenable number.

5210072421 is a deficient number, since it is larger than the sum of its proper divisors (1783313979).

5210072421 is a wasteful number, since it uses less digits than its factorization.

5210072421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11655795.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 5210072421 is about 72180.8313958768. The cubic root of 5210072421 is about 1733.5960949736.

Adding to 5210072421 its reverse (1242700125), we get a palindrome (6452772546).

The spelling of 5210072421 in words is "five billion, two hundred ten million, seventy-two thousand, four hundred twenty-one".