10219487 has 2 divisors, whose sum is σ = 10219488. Its totient is φ = 10219486.

The previous prime is 10219471. The next prime is 10219493. The reversal of 10219487 is 78491201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10219487 - 2⁴ = 10219471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10219427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5109743 + 5109744.

It is an arithmetic number, because the mean of its divisors is an integer number (5109744).

Almost surely, 2^10219487 is an apocalyptic number.

10219487 is a deficient number, since it is larger than the sum of its proper divisors (1).

10219487 is an equidigital number, since it uses as much as digits as its factorization.

10219487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 10219487 is about 3196.7932369798. The cubic root of 10219487 is about 217.0083101860.

The spelling of 10219487 in words is "ten million, two hundred nineteen thousand, four hundred eighty-seven".