16238253 has 8 divisors (see below), whose sum is σ = 22592448. Its totient is φ = 10354784.

The previous prime is 16238251. The next prime is 16238263. The reversal of 16238253 is 35283261.

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

It is not a de Polignac number, because 16238253 - 2¹ = 16238251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16238253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16238251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117600 + ... + 117737.

It is an arithmetic number, because the mean of its divisors is an integer number (2824056).

Almost surely, 2^16238253 is an apocalyptic number.

It is an amenable number.

16238253 is a deficient number, since it is larger than the sum of its proper divisors (6354195).

16238253 is a wasteful number, since it uses less digits than its factorization.

16238253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235363.

The product of its digits is 8640, while the sum is 30.

The square root of 16238253 is about 4029.6715747068. The cubic root of 16238253 is about 253.2288024806.

The spelling of 16238253 in words is "sixteen million, two hundred thirty-eight thousand, two hundred fifty-three".