10519897 has 4 divisors (see below), whose sum is σ = 10526436. Its totient is φ = 10513360.

The previous prime is 10519879. The next prime is 10519909. The reversal of 10519897 is 79891501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7203856 + 3316041 = 2684^2 + 1821^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10519897 is a prime.

It is a super-2 number, since 2×10519897² = 221336465781218, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10519807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1023 + ... + 4699.

It is an arithmetic number, because the mean of its divisors is an integer number (2631609).

Almost surely, 2^10519897 is an apocalyptic number.

It is an amenable number.

10519897 is a deficient number, since it is larger than the sum of its proper divisors (6539).

10519897 is an equidigital number, since it uses as much as digits as its factorization.

10519897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6538.

The product of its (nonzero) digits is 22680, while the sum is 40.

The square root of 10519897 is about 3243.4390698763. The cubic root of 10519897 is about 219.1141860557.

It can be divided in two parts, 105 and 19897, that added together give a palindrome (20002).

The spelling of 10519897 in words is "ten million, five hundred nineteen thousand, eight hundred ninety-seven".