875313421 has 2 divisors, whose sum is σ = 875313422. Its totient is φ = 875313420.

The previous prime is 875313419. The next prime is 875313431. The reversal of 875313421 is 124313578.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 853457796 + 21855625 = 29214^2 + 4675^2 .

It is a cyclic number.

It is not a de Polignac number, because 875313421 - 2¹ = 875313419 is a prime.

Together with 875313419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (875313431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437656710 + 437656711.

It is an arithmetic number, because the mean of its divisors is an integer number (437656711).

Almost surely, 2^875313421 is an apocalyptic number.

It is an amenable number.

875313421 is a deficient number, since it is larger than the sum of its proper divisors (1).

875313421 is an equidigital number, since it uses as much as digits as its factorization.

875313421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 875313421 is about 29585.6962230061. The cubic root of 875313421 is about 956.5797782877.

Adding to 875313421 its reverse (124313578), we get a palindrome (999626999).

The spelling of 875313421 in words is "eight hundred seventy-five million, three hundred thirteen thousand, four hundred twenty-one".