105520413 has 8 divisors (see below), whose sum is σ = 142675776. Its totient is φ = 69356000.

The previous prime is 105520399. The next prime is 105520421. The reversal of 105520413 is 314025501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105520413 - 2⁵ = 105520381 is a prime.

It is a super-2 number, since 2×105520413² = 22269115119381138, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105520413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105520463) 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 in 7 ways as a sum of consecutive naturals, for example, 247488 + ... + 247913.

It is an arithmetic number, because the mean of its divisors is an integer number (17834472).

Almost surely, 2^105520413 is an apocalyptic number.

It is an amenable number.

105520413 is a deficient number, since it is larger than the sum of its proper divisors (37155363).

105520413 is an equidigital number, since it uses as much as digits as its factorization.

105520413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495475.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 105520413 is about 10272.3129333174. The cubic root of 105520413 is about 472.5475263636.

Adding to 105520413 its reverse (314025501), we get a palindrome (419545914).

The spelling of 105520413 in words is "one hundred five million, five hundred twenty thousand, four hundred thirteen".