10019917 has 4 divisors (see below), whose sum is σ = 10169536. Its totient is φ = 9870300.

The previous prime is 10019909. The next prime is 10019923. The reversal of 10019917 is 71991001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10019917 - 2³ = 10019909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10019957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74709 + ... + 74842.

It is an arithmetic number, because the mean of its divisors is an integer number (2542384).

Almost surely, 2^10019917 is an apocalyptic number.

It is an amenable number.

10019917 is a deficient number, since it is larger than the sum of its proper divisors (149619).

10019917 is an equidigital number, since it uses as much as digits as its factorization.

10019917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149618.

The product of its (nonzero) digits is 567, while the sum is 28.

The square root of 10019917 is about 3165.4252478932. The cubic root of 10019917 is about 215.5864070676.

The spelling of 10019917 in words is "ten million, nineteen thousand, nine hundred seventeen".