16316253 has 6 divisors (see below), whose sum is σ = 23567934. Its totient is φ = 10877496.

The previous prime is 16316249. The next prime is 16316317. The reversal of 16316253 is 35261361.

16316253 is a `hidden beast` number, since 1 + 6 + 31 + 625 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9566649 + 6749604 = 3093^2 + 2598^2 .

It is not a de Polignac number, because 16316253 - 2² = 16316249 is a prime.

It is a super-2 number, since 2×16316253² = 532440223920018, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16316353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 906450 + ... + 906467.

It is an arithmetic number, because the mean of its divisors is an integer number (3927989).

Almost surely, 2^16316253 is an apocalyptic number.

It is an amenable number.

16316253 is a deficient number, since it is larger than the sum of its proper divisors (7251681).

16316253 is a wasteful number, since it uses less digits than its factorization.

16316253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812923 (or 1812920 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 16316253 is about 4039.3381883670. The cubic root of 16316253 is about 253.6336141908.

The spelling of 16316253 in words is "sixteen million, three hundred sixteen thousand, two hundred fifty-three".