16263313 has 16 divisors (see below), whose sum is σ = 18823680. Its totient is φ = 13910400.

The previous prime is 16263307. The next prime is 16263341. The reversal of 16263313 is 31336261.

It is a cyclic number.

It is not a de Polignac number, because 16263313 - 2⁵ = 16263281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16263413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11973 + ... + 13261.

It is an arithmetic number, because the mean of its divisors is an integer number (1176480).

Almost surely, 2^16263313 is an apocalyptic number.

It is an amenable number.

16263313 is a deficient number, since it is larger than the sum of its proper divisors (2560367).

16263313 is a wasteful number, since it uses less digits than its factorization.

16263313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368.

The product of its digits is 1944, while the sum is 25.

The square root of 16263313 is about 4032.7798105029. The cubic root of 16263313 is about 253.3590022851.

Adding to 16263313 its reverse (31336261), we get a palindrome (47599574).

The spelling of 16263313 in words is "sixteen million, two hundred sixty-three thousand, three hundred thirteen".