16344253 has 4 divisors (see below), whose sum is σ = 16390908. Its totient is φ = 16297600.

The previous prime is 16344247. The next prime is 16344287. The reversal of 16344253 is 35244361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35244361 = 113 ⋅311897.

It can be written as a sum of positive squares in 2 ways, for example, as 5866084 + 10478169 = 2422^2 + 3237^2 .

It is a cyclic number.

It is not a de Polignac number, because 16344253 - 2⁵ = 16344221 is a prime.

It is a super-2 number, since 2×16344253² = 534269212256018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16344953) 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, 22798 + ... + 23503.

It is an arithmetic number, because the mean of its divisors is an integer number (4097727).

Almost surely, 2^16344253 is an apocalyptic number.

It is an amenable number.

16344253 is a deficient number, since it is larger than the sum of its proper divisors (46655).

16344253 is an equidigital number, since it uses as much as digits as its factorization.

16344253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46654.

The product of its digits is 8640, while the sum is 28.

The square root of 16344253 is about 4042.8026169973. The cubic root of 16344253 is about 253.7786164917.

The spelling of 16344253 in words is "sixteen million, three hundred forty-four thousand, two hundred fifty-three".