10501919 has 2 divisors, whose sum is σ = 10501920. Its totient is φ = 10501918.

The previous prime is 10501913. The next prime is 10501921. The reversal of 10501919 is 91910501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10501919 - 2¹⁶ = 10436383 is a prime.

It is a super-2 number, since 2×10501919² = 220580605365122, which contains 22 as substring.

Together with 10501921, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10501913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250959 + 5250960.

It is an arithmetic number, because the mean of its divisors is an integer number (5250960).

Almost surely, 2^10501919 is an apocalyptic number.

10501919 is a deficient number, since it is larger than the sum of its proper divisors (1).

10501919 is an equidigital number, since it uses as much as digits as its factorization.

10501919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405, while the sum is 26.

The square root of 10501919 is about 3240.6664438044. Note that the first 3 decimals coincide. The cubic root of 10501919 is about 218.9892963361.

The spelling of 10501919 in words is "ten million, five hundred one thousand, nine hundred nineteen".