10458421 has 2 divisors, whose sum is σ = 10458422. Its totient is φ = 10458420.

The previous prime is 10458419. The next prime is 10458463. The reversal of 10458421 is 12485401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5574321 + 4884100 = 2361^2 + 2210^2 .

It is an emirp because it is prime and its reverse (12485401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10458421 - 2¹ = 10458419 is a prime.

Together with 10458419, 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 (10458521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5229210 + 5229211.

It is an arithmetic number, because the mean of its divisors is an integer number (5229211).

Almost surely, 2^10458421 is an apocalyptic number.

It is an amenable number.

10458421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10458421 is an equidigital number, since it uses as much as digits as its factorization.

10458421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 10458421 is about 3233.9482061406. The cubic root of 10458421 is about 218.6865333159.

The spelling of 10458421 in words is "ten million, four hundred fifty-eight thousand, four hundred twenty-one".