16263113 has 4 divisors (see below), whose sum is σ = 16823940. Its totient is φ = 15702288.

The previous prime is 16263109. The next prime is 16263119. The reversal of 16263113 is 31136261.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5326864 + 10936249 = 2308^2 + 3307^2 .

It is a cyclic number.

It is not a de Polignac number, because 16263113 - 2² = 16263109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16263119) 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 3 ways as a sum of consecutive naturals, for example, 280370 + ... + 280427.

It is an arithmetic number, because the mean of its divisors is an integer number (4205985).

Almost surely, 2^16263113 is an apocalyptic number.

It is an amenable number.

16263113 is a deficient number, since it is larger than the sum of its proper divisors (560827).

16263113 is an equidigital number, since it uses as much as digits as its factorization.

16263113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560826.

The product of its digits is 648, while the sum is 23.

The square root of 16263113 is about 4032.7550136352. The cubic root of 16263113 is about 253.3579637102.

Adding to 16263113 its reverse (31136261), we get a palindrome (47399374).

The spelling of 16263113 in words is "sixteen million, two hundred sixty-three thousand, one hundred thirteen".