10471421 has 2 divisors, whose sum is σ = 10471422. Its totient is φ = 10471420.

The previous prime is 10471399. The next prime is 10471423. The reversal of 10471421 is 12417401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5827396 + 4644025 = 2414^2 + 2155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10471421 is a prime.

Together with 10471423, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10471393 and 10471402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10471423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5235710 + 5235711.

It is an arithmetic number, because the mean of its divisors is an integer number (5235711).

Almost surely, 2^10471421 is an apocalyptic number.

It is an amenable number.

10471421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10471421 is an equidigital number, since it uses as much as digits as its factorization.

10471421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 10471421 is about 3235.9575089917. The cubic root of 10471421 is about 218.7771061920. Note that the first 3 decimals are identical.

Adding to 10471421 its reverse (12417401), we get a palindrome (22888822).

The spelling of 10471421 in words is "ten million, four hundred seventy-one thousand, four hundred twenty-one".