10219457 has 2 divisors, whose sum is σ = 10219458. Its totient is φ = 10219456.

The previous prime is 10219427. The next prime is 10219459. The reversal of 10219457 is 75491201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10214416 + 5041 = 3196^2 + 71^2 .

It is an emirp because it is prime and its reverse (75491201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10219457 - 2¹⁰ = 10218433 is a prime.

Together with 10219459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10219459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5109728 + 5109729.

It is an arithmetic number, because the mean of its divisors is an integer number (5109729).

Almost surely, 2^10219457 is an apocalyptic number.

It is an amenable number.

10219457 is a deficient number, since it is larger than the sum of its proper divisors (1).

10219457 is an equidigital number, since it uses as much as digits as its factorization.

10219457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 10219457 is about 3196.7885447743. The cubic root of 10219457 is about 217.0080978382.

The spelling of 10219457 in words is "ten million, two hundred nineteen thousand, four hundred fifty-seven".