16252538 has 8 divisors (see below), whose sum is σ = 24945888. Its totient is φ = 7937244.

The previous prime is 16252531. The next prime is 16252541. The reversal of 16252538 is 83525261.

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

It is not an unprimeable number, because it can be changed into a prime (16252531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94406 + ... + 94577.

It is an arithmetic number, because the mean of its divisors is an integer number (3118236).

Almost surely, 2^16252538 is an apocalyptic number.

16252538 is a deficient number, since it is larger than the sum of its proper divisors (8693350).

16252538 is a wasteful number, since it uses less digits than its factorization.

16252538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189028.

The product of its digits is 14400, while the sum is 32.

The square root of 16252538 is about 4031.4436620149. The cubic root of 16252538 is about 253.3030369279.

Adding to 16252538 its reverse (83525261), we get a palindrome (99777799).

It can be divided in two parts, 1625253 and 8, that added together give a palindrome (1625261).

The spelling of 16252538 in words is "sixteen million, two hundred fifty-two thousand, five hundred thirty-eight".